Starting Logic before powering up audio interface/USB keyboard?

[RhythmTrax]

Since I don't have the time to use (and properly learn) Logic regularly I tend to often run into basic problems, one of them being the correct way to power up/start Logic.
So far I've concluded that it's important that I first power up the USB audio interface and USB keyboard controller, then start the Logic app. It appears that if I do it the other way round the keyboard won't be recognized no matter what, or there's no audio coming from the audio interface.

Is this consistent and the only correct way do use Logic, or is my particular setup the cause of my issues?
My setup:

• Logic Pro X 10.5.1
• Mac Pro (mid-2010)
• MacOS 10.14.6 (Mojave)
• Focusrite Scarlett 18i20 (1st gen.) audio interface (USB)
• Roland A-800 Pro keyboard controller (USB and MIDI, but currently connected only via USB)
   

[des99]

I don't have any problems powering up my hardware after Logic (although I do usually turn it on first).

For the Scarlett, Logic should detect a new audio interface has become available, and ask you if you want to switch to that (or you can switch to it manually, which you might have to do if you'd set it manually to something else).

The Roland keyboard is just a MIDI device, so that should also start sending MIDI as soon as it's turned on, and Logic should receive it just fine.

Are you saying when you select the Scarlett audio device manually, Logic still won't output audio to it?

When you say the "keyboard is recognised", so you mean you play notes and they don't arrive in Logic? Or something else?

[David Nahmani]

Same experience as des99 here, it doesn't matter in which order I start up devices, in fact I can power off an audio interface and power on a new one while Logic is running, and I can do the same with MIDI devices, and Logic will pop up a dialog asking me if I want to use the new device. 

[RhythmTrax]

20 hours ago, des99 said:

For the Scarlett, Logic should detect a new audio interface has become available, and ask you if you want to switch to that (or you can switch to it manually, which you might have to do if you'd set it manually to something else).

Thanks for replying.
Yes, this is how it usually works here as well, and whenever I physically power on the audio interface the Mac's audio automatically changes (after 2-3 seconds) over from the built-in speaker to the speakers attached to my audio interface.


I don't know what happened when I wrote my previous posting: it might have just been one of those random happenings, but it might also have happened in conjunction with turning on/off the keyboard controller because sometimes the keyboard's display appears to lock up when powered on while Logic is running, and sometimes I get a long lasting MacOS "spinning beachball" when I turn the keyboard on. To me it appears the keyboard is somehow locking up the computer.

 

Quote

The Roland keyboard is just a MIDI device, so that should also start sending MIDI as soon as it's turned on, and Logic should receive it just fine.

Are you saying when you select the Scarlett audio device manually, Logic still won't output audio to it?

When you say the "keyboard is recognised", so you mean you play notes and they don't arrive in Logic? Or something else?

Hmmmm... something strange is definitely going on here, and ever since I got that keyboard I've been struggling. It's most likely due to my own ignorance and all the different places things can be misconfigured or go wrong in other ways.

When I say that the "keyboard is recognized" it's a bad wording of mine, but I meant that a pop-up message says it's been recognized, like this:

.... but when I press the keys there's no response from Logic.

I've already re-installed the Roland driver and set it all up accordingly in the "Audio MIDI setup" app. And a couple of minutes ago I disconnected the keyboard's USB cable, powered it up using the AC power-adapter instead (I bought it so I could use the keyboard with my old-school MIDI gear as well, and not just the DAW setup), then followed the manual's instructions on how to factory reset the keyboard. It still wouldn't work with Logic when I re-connected the USB cable though.

I assume my last resort is to remove, then add the USB keyboard controller into Logic again. Actually I thought I'd already tried that, but I might not have done it incorrectly.
It's the Logic Pro X - Control Surfaces -Setup menu, right? Then disconnect the keyboard's USB cable and delete the setup from that same menu-window?
And finally re-attach the USB from the keyboard which in turn should automatically reconfigure Logic for that specific keyboard, right?

EDIT: I've just tried doing that, even ensuring the keyboard controller setup had been removed properly by quitting and restarting Logic (its controller settings were empty), but even when re-attaching the keyboard's USB cable (which resulted in it being "seen" by Logic and the Roland A-800 Pro configuration automatically being added there was no response/sound when pressing the keyboard's keys).
PS: audio is working, and using Logic's "Musical typing" keyboard allows me to play a software instrument just fine.

 

17 hours ago, David Nahmani said:

Same experience as des99 here, it doesn't matter in which order I start up devices, in fact I can power off an audio interface and power on a new one while Logic is running, and I can do the same with MIDI devices, and Logic will pop up a dialog asking me if I want to use the new device. 

Thanks for confirming what des99 just said. So obviously it has something to do with my setup. 

Edited November 21 by RhythmTrax

[dmitch57]

One thing I've found is that powering up an external MIDI keyboard after launching LP and selecting an instrument track for live input often results in the channel's instrument not seeing the input from the MIDI keyboard.

• external keyboard off
• launch LP
• select an instrument track to enable it for live input
• power up the external keyboard
• play external keyboard
• no activity on, or sound from, the SW instrument

Sometimes an easy workaround after getting in this state is to turn off the SW instrument (in the mixer) and turn it back on. This always works with Alchemy. Sometimes this workaround doesn't work and you have to re-launch LP (this is true with the native B3). 

So, I've become accustomed to always turning on my external keyboard before launching LP.

[RhythmTrax]

So in conclusion there's no general answer for this, but it all depends on the keyboard in question?

[ulit]

My Nektar P6 keyboard e.g. needs also to be powered on  as first device.

Edited November 23 by ulit
typo

[RhythmTrax]

Des99 and David: may I ask which keyboards you're using?

[David Nahmani]

10 hours ago, RhythmTrax said:

Des99 and David: may I ask which keyboards you're using?

I'm using a Nektar Panorama P6. I generally power it on after I've launched Logic Pro and haven't experienced any issue. 

On 11/23/2023 at 5:34 PM, RhythmTrax said:

So in conclusion there's no general answer for this, but it all depends on the keyboard in question?

No, I do not believe that this issue is tied to the type of keyboard used. 

[David Nahmani]

On 11/21/2023 at 5:02 PM, dmitch57 said:

• external keyboard off
• launch LP
• select an instrument track to enable it for live input
• power up the external keyboard
• play external keyboard
• no activity on, or sound from, the SW instrument

I do this constantly and have no problem getting sound from the software instrument. If I were in your situation I would use Snoize's MIDI Monitor to troubleshoot. If Logic receives MIDI Note on events then the instrument should sound, so that's what I would have a look at first: does the Mac receive MIDI Note on events when you play a key on your keyboard? 

[TChandler]

On 11/23/2023 at 5:34 PM, RhythmTrax said:

So in conclusion there's no general answer for this, but it all depends on the keyboard in question?

Logic stores control surface data and MIDI device assignments in a preference file called com.apple.logic.pro.cs.   Unless you have made a lot of custom assignments there is no harm in deleting this file to reset MIDI device configuration.  I suggest trying that:

1. Shut down Logic Pro
2. Click on your desktop to present the finder menu.
3. Select 'Go' then 'Go to folder'
4. Enter "~/Library/Preferences/"
5. Locate and delete com.apple.logic.pro.cs
6. Restart Logic.

[oscwilde]

As per the other guys, no probs with order of powering up.
Among my studio/portable controllers (not all connected simultaneously, but used as/when needed): Panorama, Launchkey mini mk3, Roli Seaboard, NI Komplete Kontrol, Arturia Keylab88, Keystep 37, MiniLab3, Novation Remote, Maschine, Launchpad (and other boards/synths via a Unitor/DIN MIDI connections).
Audio interfaces include PT HD192, MotU, Apogee, Arturia, and others....again, no problem powering up in any order...although PT can be a bit "picky" about this - not on a hardware I/O level, but the DSP cards can (very) occasionally require a power toggle to initialize (this isn't specific to Logic, however - and is related to the external chassis).

Take a look at the Logic MIDI prefs....and see if the Roland A800/or Roland MIDI Port device and checkbox exists/is checked (active).
https://support.apple.com/en-au/guide/logicpro/lgcp418a5bbb/mac

Edited November 27 by oscwilde

[RhythmTrax]

Thanks to everybody's suggestions! Currently I've started troubleshooting by using the free MIDI Monitor app by Snoize (as suggested by David Nahmani). I got some interesting findings...

First, som essential details:
- the Roland A-800 Pro keyboard is permanently attached to the Mac via a USB cable. I turn it off/on as needed by using the keyboard's own power switch
- I had MIDI Monitor run first, before turning anything else on, and without Logic running
- for the time being I'm leaving the Scarlett 18i20 audio interface turned off. As commented before it probably doesn't have anything to do with the keyboard issue, but it doesn't hurt to keep it simple. So currently all the audio is coming from the Mac's own speaker

So, here's what I found out (by keyboard I'm referring to the Roland musical keyboard, not the Mac's computer keyboard):

1. Keyboard powered up (but Logic NOT running): MIDI data is seen when pressing the keyboard, so the USB-keyboard controller is working fine!
2. Keyboard still powered up, Logic started: MIDI data is again seen when pressing the keyboard, and it plays the software instruments in Logic. Perfect!
3. Keyboard powered off, then on again (while Logic is still running): lots of MIDI data is received from the keyboard when it's powered on again (see messages below), but once that's completed nothing happens when I press the keyboard (no new MIDI messages to be seen in the MIDI Monitor app, nor can the software instrument in Logic be played (but Logic's "Musical keyboard" allows me to play the software instrument with the Mac keyboard).

12:52:57.473	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 02 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 04 01 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 48 F7
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12:52:57.670	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 07 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 04 0E 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 36 F7
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12:52:57.750	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 09 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 04 09 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 39 F7
12:52:57.798	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 0A 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 04 0B 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 36 F7
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12:52:57.910	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 0D 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 05 0C 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 31 F7
12:52:57.950	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 0E 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 05 0D 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2F F7
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12:52:58.030	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 10 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 05 0F 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2B F7
12:52:58.070	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 11 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 07 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 37 F7
12:52:58.111	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 12 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 01 0D 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2F F7
12:52:58.150	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 13 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 01 0E 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2D F7
12:52:58.213	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 14 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 01 0F 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2B F7
12:52:58.230	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 15 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 02 00 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 38 F7
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12:52:58.350	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 18 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 02 03 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 32 F7
12:52:58.429	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 19 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 02 04 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 30 F7
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12:52:58.470	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 1B 00 00 07 04 02 06 01 06 0E 06 0B 02 00 03 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 05 01 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 75 F7
12:52:58.534	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 1C 00 00 07 04 02 06 01 06 0E 06 0B 02 00 03 03 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 05 02 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 72 F7
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12:52:58.630	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 1F 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 01 06 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 29 F7
12:52:58.670	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 20 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 01 07 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 27 F7
12:52:58.734	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 21 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 01 08 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 25 F7
12:52:58.750	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 22 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 01 09 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 23 F7
12:52:58.838	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 23 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 01 0A 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 21 F7
12:52:58.838	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 24 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 01 0B 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1F F7
12:52:58.870	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 25 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 01 0C 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1D F7
12:52:58.945	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 26 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 04 00 00 00 07 0F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 25 F7
12:52:58.950	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 27 00 00 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 26 F7
12:52:59.046	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 28 00 00 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 25 F7
12:52:59.046	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 29 00 00 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 24 F7
12:52:59.070	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 2A 00 00 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 23 F7
12:52:59.153	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 2B 00 00 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 22 F7
12:52:59.153	To A-Pro	SysEx		Roland 141 bytes	F0 41 10 00 00 44 12 00 13 7F 00 05 03 04 0F 04 0E 04 01 05 02 02 00 04 01 04 03 05 04 02 00 04 0D 06 01 07 00 02 00 03 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 76 F7
12:52:59.256	To A-Pro	SysEx		Roland 13 bytes	F0 41 10 00 00 22 12 10 00 00 01 6F F7
12:52:59.690	To A-Pro	SysEx		Roland 17 bytes	F0 41 10 00 00 44 12 7F 7F 7F 7F 01 00 13 00 70 F7
12:52:59.759	To A-Pro MIDI OUT	Control	1	Channel Volume (coarse)	83
12:52:59.760	To A-Pro	SysEx		Roland 45 bytes	F0 41 10 00 00 44 12 7E 00 00 00 54 72 61 63 6B 20 31 30 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 0C F7
12:52:59.760	To A-Pro MIDI OUT	Control	1	Brightness	127
12:52:59.760	To A-Pro MIDI OUT	Control	1	Timbre/Harmonic Intensity	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Portamento On/Off	127
12:52:59.760	To A-Pro MIDI OUT	Control	1	Breath Control (coarse)	63
12:52:59.760	To A-Pro MIDI OUT	Control	1	Portamento Time (coarse)	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Vibrato Rate	81
12:52:59.760	To A-Pro MIDI OUT	Control	1	Vibrato Depth	63
12:52:59.760	To A-Pro MIDI OUT	Control	1	Vibrato Delay	127
12:52:59.760	To A-Pro MIDI OUT	Control	1	Pan (coarse)	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Attack Time	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Decay Time	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Release Time	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Reverb Send Level	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Tremolo Depth	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Chorus Send Level	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Celeste/Detune Depth	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Phaser Depth	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	General Purpose 5	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	General Purpose 6	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	General Purpose 7	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	General Purpose 8	0
12:52:59.760	To A-Pro	Control	1	General Purpose 6	127
12:52:59.760	To A-Pro	Control	2	General Purpose 6	0
12:52:59.760	To A-Pro	Control	3	General Purpose 6	0
12:52:59.760	To A-Pro	Control	4	General Purpose 6	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Channel Volume (coarse)	83
12:52:59.760	To A-Pro	SysEx		Roland 45 bytes	F0 41 10 00 00 44 12 7E 00 00 00 54 72 61 63 6B 20 31 30 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 0C F7
12:52:59.760	To A-Pro MIDI OUT	Control	1	Brightness	127
12:52:59.760	To A-Pro MIDI OUT	Control	1	Timbre/Harmonic Intensity	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Portamento On/Off	127
12:52:59.760	To A-Pro MIDI OUT	Control	1	Breath Control (coarse)	63
12:52:59.760	To A-Pro MIDI OUT	Control	1	Portamento Time (coarse)	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Vibrato Rate	81
12:52:59.760	To A-Pro MIDI OUT	Control	1	Vibrato Depth	63
12:52:59.760	To A-Pro MIDI OUT	Control	1	Vibrato Delay	127
12:52:59.760	To A-Pro MIDI OUT	Control	1	Pan (coarse)	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Attack Time	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Decay Time	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Release Time	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Reverb Send Level	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Tremolo Depth	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Chorus Send Level	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Celeste/Detune Depth	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Phaser Depth	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	General Purpose 5	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	General Purpose 6	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	General Purpose 7	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	General Purpose 8	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Controller 26	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Controller 27	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Controller 25	127
12:52:59.760	To A-Pro MIDI OUT	Control	1	Controller 28	0
12:52:59.760	To A-Pro MIDI OUT	Control	1	Controller 22	127
12:52:59.760	To A-Pro MIDI OUT	Control	1	Controller 23	127
12:52:59.760	To A-Pro MIDI OUT	Control	1	Controller 21	127
12:52:59.760	To A-Pro MIDI OUT	Control	1	Controller 24	0
12:52:59.918	To A-Pro MIDI OUT	SysEx		JLCooper Electronics 5 bytes	F0 15 29 01 F7
12:52:59.918	To A-Pro	SysEx		JLCooper Electronics 5 bytes	F0 15 29 01 F7
12:52:59.918	To MIDI Monitor (Untitled)	SysEx		JLCooper Electronics 5 bytes	F0 15 29 01 F7
12:52:59.918	To A-Pro MIDI OUT	SysEx		Universal Non-Real Time 6 bytes	F0 7E 00 06 01 F7
12:52:59.918	To A-Pro	SysEx		Universal Non-Real Time 6 bytes	F0 7E 00 06 01 F7
12:52:59.918	To MIDI Monitor (Untitled)	SysEx		Universal Non-Real Time 6 bytes	F0 7E 00 06 01 F7
12:52:59.918	To A-Pro MIDI OUT	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 10 00 F7
12:52:59.919	To A-Pro	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 10 00 F7
12:52:59.919	To MIDI Monitor (Untitled)	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 10 00 F7
12:52:59.919	To A-Pro MIDI OUT	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 11 00 F7
12:52:59.919	To A-Pro	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 11 00 F7
12:52:59.919	To MIDI Monitor (Untitled)	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 11 00 F7
12:52:59.919	To A-Pro MIDI OUT	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 17 00 F7
12:52:59.919	To A-Pro MIDI OUT	SysEx		Loud Technologies / Mackie 8 bytes	F0 00 00 66 17 13 00 F7
12:52:59.919	To A-Pro	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 17 00 F7
12:52:59.919	To A-Pro	SysEx		Loud Technologies / Mackie 8 bytes	F0 00 00 66 17 13 00 F7
12:52:59.919	To MIDI Monitor (Untitled)	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 17 00 F7
12:52:59.919	To MIDI Monitor (Untitled)	SysEx		Loud Technologies / Mackie 8 bytes	F0 00 00 66 17 13 00 F7
12:52:59.919	To A-Pro MIDI OUT	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 14 00 F7
12:52:59.919	To A-Pro MIDI OUT	SysEx		Loud Technologies / Mackie 8 bytes	F0 00 00 66 14 13 00 F7
12:52:59.919	To A-Pro	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 14 00 F7
12:52:59.919	To A-Pro	SysEx		Loud Technologies / Mackie 8 bytes	F0 00 00 66 14 13 00 F7
12:52:59.919	To MIDI Monitor (Untitled)	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 14 00 F7
12:52:59.919	To MIDI Monitor (Untitled)	SysEx		Loud Technologies / Mackie 8 bytes	F0 00 00 66 14 13 00 F7
12:52:59.919	To A-Pro MIDI OUT	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 15 00 F7
12:52:59.919	To A-Pro MIDI OUT	SysEx		Loud Technologies / Mackie 8 bytes	F0 00 00 66 15 13 00 F7
12:52:59.919	To A-Pro	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 15 00 F7
12:52:59.919	To A-Pro	SysEx		Loud Technologies / Mackie 8 bytes	F0 00 00 66 15 13 00 F7
12:52:59.919	To MIDI Monitor (Untitled)	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 15 00 F7
12:52:59.919	To MIDI Monitor (Untitled)	SysEx		Loud Technologies / Mackie 8 bytes	F0 00 00 66 15 13 00 F7
12:52:59.919	To A-Pro MIDI OUT	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 14 00 F7
12:52:59.919	To A-Pro MIDI OUT	SysEx		Loud Technologies / Mackie 8 bytes	F0 00 00 66 14 13 00 F7
12:52:59.919	To A-Pro	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 14 00 F7
12:52:59.919	To A-Pro	SysEx		Loud Technologies / Mackie 8 bytes	F0 00 00 66 14 13 00 F7
12:52:59.919	To MIDI Monitor (Untitled)	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 14 00 F7
12:52:59.919	To MIDI Monitor (Untitled)	SysEx		Loud Technologies / Mackie 8 bytes	F0 00 00 66 14 13 00 F7
12:52:59.919	To A-Pro MIDI OUT	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 15 00 F7
12:52:59.919	To A-Pro MIDI OUT	SysEx		Loud Technologies / Mackie 8 bytes	F0 00 00 66 15 13 00 F7
12:52:59.919	To A-Pro	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 15 00 F7
12:52:59.919	To A-Pro	SysEx		Loud Technologies / Mackie 8 bytes	F0 00 00 66 15 13 00 F7
12:52:59.919	To MIDI Monitor (Untitled)	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 15 00 F7
12:52:59.919	To MIDI Monitor (Untitled)	SysEx		Loud Technologies / Mackie 8 bytes	F0 00 00 66 15 13 00 F7
12:52:59.919	To A-Pro MIDI OUT	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 14 00 F7
12:52:59.919	To A-Pro MIDI OUT	SysEx		Loud Technologies / Mackie 8 bytes	F0 00 00 66 14 13 00 F7
12:52:59.919	To A-Pro	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 14 00 F7
12:52:59.919	To A-Pro	SysEx		Loud Technologies / Mackie 8 bytes	F0 00 00 66 14 13 00 F7
12:52:59.919	To MIDI Monitor (Untitled)	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 14 00 F7
12:52:59.919	To MIDI Monitor (Untitled)	SysEx		Loud Technologies / Mackie 8 bytes	F0 00 00 66 14 13 00 F7
12:52:59.919	To A-Pro MIDI OUT	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 15 00 F7
12:52:59.919	To A-Pro MIDI OUT	SysEx		Loud Technologies / Mackie 8 bytes	F0 00 00 66 15 13 00 F7
12:52:59.919	To A-Pro	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 15 00 F7
12:52:59.919	To A-Pro	SysEx		Loud Technologies / Mackie 8 bytes	F0 00 00 66 15 13 00 F7
12:52:59.920	To MIDI Monitor (Untitled)	SysEx		Loud Technologies / Mackie 7 bytes	F0 00 00 66 15 00 F7
12:52:59.920	To MIDI Monitor (Untitled)	SysEx		Loud Technologies / Mackie 8 bytes	F0 00 00 66 15 13 00 F7
12:52:59.920	To A-Pro MIDI OUT	SysEx		JLCooper Electronics 5 bytes	F0 15 10 03 F7
12:52:59.920	To A-Pro	SysEx		JLCooper Electronics 5 bytes	F0 15 10 03 F7
12:52:59.920	To MIDI Monitor (Untitled)	SysEx		JLCooper Electronics 5 bytes	F0 15 10 03 F7
12:52:59.920	To A-Pro MIDI OUT	SysEx		Universal Non-Real Time 6 bytes	F0 7E 00 06 01 F7
12:52:59.920	To A-Pro	SysEx		Universal Non-Real Time 6 bytes	F0 7E 00 06 01 F7
12:52:59.920	To MIDI Monitor (Untitled)	SysEx		Universal Non-Real Time 6 bytes	F0 7E 00 06 01 F7
12:53:00.050	To A-Pro MIDI OUT	Control	1	Channel Volume (coarse)	83

So it looks like Logic is doing something to block the keyboard.
So that's the preliminary findings. Unless someone has other suggestions I should probably move on to the suggestions by TChandler and oscwilde.

Edited November 27 by RhythmTrax

[oscwilde]

53 minutes ago, RhythmTrax said:

So it looks like Logic is doing something to block the keyboard.

This may be relevant:
https://support.apple.com/en-au/guide/logicpro/lgcp7123ac34/mac

or this (notably sysex):
https://support.apple.com/en-au/guide/logicpro/lgcp0683d564/mac

[dmitch57]

8 hours ago, David Nahmani said:

I do this constantly and have no problem getting sound from the software instrument.

Lucky you. 🙂

 

Quote

If I were in your situation I would use Snoize's MIDI Monitor to troubleshoot. If Logic receives MIDI Note on events then the instrument should sound, so that's what I would have a look at first: does the Mac receive MIDI Note on events when you play a key on your keyboard? 

 

I don't have to do that. The proper MIDI notes not only get to Logic, but they get all the way to Alchemy, triggering envelopes and so forth. There is just no audio produced. Then disable/re-enable Alchemy, and audio is produced.

At the start of the GIF, my keyboard (Nektar LX25+) is off. I power the keyboard on and start playing. You can see MIDI notes displayed in Logic's MIDI monitor, and also Alchemy's machinery getting triggered, but the Alchemy mixer channel is producing no output. Then I cycle the Alchemy enable, play some notes on the Nektar, and the audio is now properly emitted from Alchemy's mixer channel.

The same thing happens even if I play some recorded MIDI notes on Alchemy's track before performing the sequence in the above GIF. The recorded notes play; the Nektar notes do not, until I disable and enable Alchemy.

I did hook up a MIDI monitor to examine what the Nektar sends on power up. Nothing but 3 Expression control events, value 0. 

I have seen identical behavior on both Intel and Apple silicon. I don't have another MIDI keyboard to see if this is Nektar-specific.

Anyway, I'm not trying to solve this problem in my workflow; the workaround is easy and is part of my normal routine. (Power up Nektar before launching Logic, or else disable/re-enable Alchemy.) I just posted my observations in an attempt to shed light the OP's original question. 

[JakobP]

1 hour ago, dmitch57 said:

or else disable/re-enable Alchemy

You could probably also send Alchemy an cc11 expression value of 127 ?

1 hour ago, dmitch57 said:

I did hook up a MIDI monitor to examine what the Nektar sends on power up. Nothing but 3 Expression control events, value 0. 

So your keyboard is telling the instrument to zip it, basically... 😄

Edited Monday at 06:29 PM by JakobP

[David Nahmani]

3 hours ago, dmitch57 said:

Lucky you. 🙂

I'm pretty sure that luck is not part of the equation. If I can power up my devices in any order I want and have them work as expected, so can anyone, especially with the same equipment, unless we have something set up differently, which is what we have to try to figure out. 

3 hours ago, dmitch57 said:

I just posted my observations in an attempt to shed light the OP's original question. 

Yes, any experience helps, so thanks for sharing yours! 🙂 

[David Nahmani]

Here are the only 3 events I see when powering up my Nektar P6 while Logic is already running: 

3 hours ago, dmitch57 said:

I did hook up a MIDI monitor to examine what the Nektar sends on power up. Nothing but 3 Expression control events, value 0. 

Well then as Jakob pointed out that would explain why you're getting no sound. Expression value 0 means that the instrument won't produce any sound. 

It would be interesting if the OP can perform the same test so that we can compare results. 

[MikeRobinson]

If you attach your keyboard directly to the computer via a USB cable, then the computer sees it as "a USB device" that by-the-way can also transmit a MIDI data-stream.

Anytime a USB device is attached, detached, powered-on or (maybe ...) discovered to now be powered-off, MacOS will be notified and will issue a "broadcast message" which Logic, like any other running application, can respond to. However, as with all things USB, "it partly depends on the third-party manufacturer." There will be no MIDI event unless the device decides to send one (along the USB channel).

If you power-up a "pure MIDI" (legacy ...) device, MacOS can only "see" the interface device that those audio-cables are plugged into.

Edited Monday at 11:24 PM by MikeRobinson

[RhythmTrax]

12 hours ago, David Nahmani said:

Here are the only 3 events I see when powering up my Nektar P6 while Logic is already running: 

Well then as Jakob pointed out that would explain why you're getting no sound. Expression value 0 means that the instrument won't produce any sound. 

It would be interesting if the OP can perform the same test so that we can compare results. 

I posted my findings (copy/paste from the MIDI Monitor app) from when I powered up my Roland A-800 Pro keyboard in this previous posting.

[David Nahmani]

11 minutes ago, RhythmTrax said:

I posted my findings (copy/paste from the MIDI Monitor app) from when I powered up my Roland A-800 Pro keyboard in this previous posting.

Ok so I had a look and your issue is unrelated to what @dmitch57 posted then. 

Try to select Logic Pro > Control Surfaces > Bypass All Control Surfaces, then try to power on the keyboard while Logic is running, what kind of MIDI data do you see then? 

[RhythmTrax]

3 hours ago, David Nahmani said:

Ok so I had a look and your issue is unrelated to what @dmitch57 posted then. 

Try to select Logic Pro > Control Surfaces > Bypass All Control Surfaces, then try to power on the keyboard while Logic is running, what kind of MIDI data do you see then? 

I haven't tried that yet, but I believe I've made a breakthrough!
I messed around with the "Control Surface Setup" window (Preferences-Control Surfaces-Setup) and got something working there by messing around with the "input port" and "output port". I really didn't know what I was doing, because frankly I'm still not coming to grips with Logic (or DAWs in general) as I'm still in the stone age (i.e. 80's/90s MIDI setups), but somehow I managed to get a combination that allowed me to power off and then on again the keyboard (while Logic was running) and continue playing with it! But I couldn't fully replicate it when trying to understand it all.

 

So I tried to remove both the the controller in the right window, and also the one in the left window (with the keyboard switched off), then being automatically added in Logic after powering up the keyboard again, a few times without success.

But in the end I tried something new:
In the right window (with a blank canvas, i.e. all controllers deleted), and also the controller removed in the left window (select it, then press backspace) while the keyboard was powered off I clicked on the "New" button, then disabled "Automatic installation".

Then I powered on the keyboard, and all of a sudden this message popped up, and I clicked on "Automatic assign".
 

Now both the left and right windows had a controller, but the right one had a different one from before. And (in the right window) there aren't any "Device" options as with the previous controller (seen in the first screenshot in this posting).

Anyway, depite my ignorance and confusion the keyboard once again works, and this after powering it off and on again while Logic is running.
And to make sure it really does work I turned off the keyboard, quit Logic and then started Logic again, and power on the keyboard. It worked!

I just hope it lasts. Now, can someone please explain what I just did?

[David Nahmani]

2 minutes ago, RhythmTrax said:

Anyway, depite my ignorance and confusion the keyboard once again works, and this after powering it off and on again while Logic is running.
And to make sure it really does work I turned off the keyboard, quit Logic and then started Logic again, and power on the keyboard. It worked!

That's great news! Thank you for reporting how you resolved your issue. 

2 minutes ago, RhythmTrax said:

Now, can someone please explain what I just did?

You've installed the keyboard as a control surface, which means that the knobs on the keyboard are automatically mapped to controls in Logic Pro, without you having to map them one by one manually. 

Apparently you first had the A-Pro plug-in installed (see the following link for info on the A-Pro Series Control Surface Plug-In for Logic and GarageBand), then you deleted that, and finally you used Logic to automatically assign the knobs. 

Try this: 

1. Create a new empty project,
2. Create one new software instrument track,
3. Choose a patch from the Library,
4. Open the Smart Control pane (press B),
5. Try to move the knobs on the A-800.

Do the knobs control the Smart Controls in Logic? 

[RhythmTrax]

2 hours ago, David Nahmani said:

That's great news! Thank you for reporting how you resolved your issue. 

Glad to be of help 😀
Maybe it can help the others here struggling with the same thing.

 

Quote

You've installed the keyboard as a control surface, which means that the knobs on the keyboard are automatically mapped to controls in Logic Pro, without you having to map them one by one manually. 

Apparently you first had the A-Pro plug-in installed (see the following link for info on the A-Pro Series Control Surface Plug-In for Logic and GarageBand), then you deleted that, and finally you used Logic to automatically assign the knobs.

Huh?
Yes, I did install both the Roland driver and their Control surface plugin for Logic/Garageband (which you linked above) as instructed in the A-800 Pro manual. But there appears to be two choices regarding the A-Pro keyboards (A-300, A-500 and A-800) which is kind of confusing, and it appears not both of them work properly either, from this experience of mine.

Here's the one I've been using all along which installed automatically, but only worked if I powered on the keyboard before starting Logic:

The next one, which I've had better success with is the one with a keyboard icon:

Any idea why there are two, and what their differences are?
The strange thing is that the first one got automatically installed, but when I removed it and disabled the automatic installation (see small screenshot in previous posting) I was apparently still asked to install the keyboard automatically (the "Auto assign" dialog window -see screenshot in previous posting).
Oh well; "if it works, don't fix it" as they say 😉
 

Quote

Try this: 

1. Create a new empty project,
2. Create one new software instrument track,
3. Choose a patch from the Library,
4. Open the Smart Control pane (press B),
5. Try to move the knobs on the A-800.

Do the knobs control the Smart Controls in Logic? 

Yes, it works!
At first I thought it didn't, but I noticed that I had to wiggle the knobs a bit -looks like I have to move past the default value in order for it to recognize a new value.
I also noticed that the transport control buttons (play, rewind etc.) on the keyboard work as well!

I've had so many problems (and confusion) with this keyboard, but maybe it was just the cause of using the wrong setup for it all along.
A while back I worked out how to assign the faders and buttons on the keyboard for allowing "playing the faders" type mixing on the fly with effects -turning on/off sends and adjusting effect levels. I think I used the "learn" function (I need to check my notes in order to redo it all), but since this will obviously be a different use for the A-800 knobs/faders/buttons than adjusting software instrument controls -is it possible to store different configuration setups for them? I'm guessing this is the "Controller assignment" preference window, right?

..... and better yet: if I can create/store my own re-assigning configurations here, is it possible to use say the default configuration for controlling software instruments (as you just showed how to do), but when I open the mixer window I have a different configuration?

[oscwilde]

4 hours ago, RhythmTrax said:

is it possible to use say the default configuration for controlling software instruments (as you just showed how to do), but when I open the mixer window I have a different configuration?

This video may help:

 

[RhythmTrax]

Thank you! I've actually watched it before (when I was struggling to get my A-800 keyboard working with Logic), but this time around I can actually put that info in the video to use, now that they keyboard is finally working properly with Logic 😀

Edited Wednesday at 05:03 PM by RhythmTrax

[RhythmTrax]

On a slight sidenote.....
My Roland A-800 Pro keyboard still won't allow to power up after Garageband has been started. If Garageband is ready and the keyboard is off, then powered on this happens: the keyboard starts up, but fails to completely get ready (i.e. its display hangs) and there's no response when I play its keys.
If I do a "reset MIDI drivers" in its MIDI preferences the MacOS "spinning beachball" spins seemingly forever (until I turn off the keyboard again).

Looks like I get the same response as when I chose the "wrong" Roland A-Pro configuration. So perhaps the whole problem has something to do with Roland's MacOS drivers for this particular keyboard. 

Note: I sometimes prefer Garageband to Logic if I just want to play an instrument or do something very simple. Logic takes a lot longer to start up, and has too many options/features that clutter up the screen and takes my attention from playing the keyboard away.

Edited Thursday at 07:59 PM by RhythmTrax

[oscwilde]

1 hour ago, RhythmTrax said:

So perhaps the whole problem has something to do with Roland's MacOS drivers for this particular keyboard. 

Open the Audio MIDI Setup utility and see if there are multiple A800 devices in the MIDI pane.
If so, removing or disabling one (or more - there may be several) should rectify the GB issue.