hayskeys Posted March 19, 2023 Share Posted March 19, 2023 Using logic 10.7.7 on M1 Pro MBP (16-inch 2021, M1 Pro, 32GB, Monterey 12.6.1) I'm having the following bug in the MIDI piano roll. Otherwise, system running fine. 1. Record MIDI using external midi controller (works normal, sound from virtual instrument works as normal) 2. Playback works normal 3. Open piano roll midi view 4. Clicking on a note makes no sound (bug) 5. Dragging the note elsewhere (nothing held on keyboard) shows there is an identical note behind the selected note. 6. Clicking the now un-hidden note makes sound. 7. Selecting notes by using drag-to-select select-box makes sound (presumedly because it is selecting both the front silent note and the hidden real note) 8. Deleting the hidden note leaves the real note that still plays. Video on Google Photos: https://photos.app.goo.gl/pyHxseQQGiiGsMS27 Anyone else experiencing this? Quote Link to comment Share on other sites More sharing options...
Solution JakobP Posted March 19, 2023 Solution Share Posted March 19, 2023 Your keyboard is probably transmitting midi on more than one channel, open the event list to verify this. If that's the case, you should investigate the keyboards manual how to stop that from happening. It's often called "layering" or similar. Hth... 1 Quote Link to comment Share on other sites More sharing options...
David Nahmani Posted March 19, 2023 Share Posted March 19, 2023 Yes it looks like you have duplicate notes. Quote Link to comment Share on other sites More sharing options...
hayskeys Posted March 20, 2023 Author Share Posted March 20, 2023 @JakobP That was it! Thanks so much for the quick and spot on help. Never had this issue before with the ~5 different midi controllers I've had, so didn't even know to look for it. Guess I bumped something on this one and accidentally enabled 2 different midi channels. Messed around in settings and back to 1 channel now and working exactly as it should. 1 Quote Link to comment Share on other sites More sharing options...
JakobP Posted March 20, 2023 Share Posted March 20, 2023 Great ! You're welcome 🙂 1 Quote Link to comment Share on other sites More sharing options...
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