Im new to the whole studio scene an a I want to start investing, I currently have a casio ctk-720 midi keyboard that is cheap but gets the job done, I have a mac book pro and for audio im using a home theatre system..i have 8 speakers across my room the room is like a 25x20 so its pretty big and I lile the sound..im a fulltime student with no job so its tough..my budget is about 200 right now and I wanna know what are important xomponents I will be needing ! Itd be nice if i can get a list of whats really needed..my main focus is to compose hip hop, pop, and electronic type music...not trying to make audio recording right now..just instrumentals, sorry for gramatical errors im on my phone atm, thanks!