I've been toiling with the idea of using existing equipment snd adding vst's to my performance setup. I have a MOTU 5in/5out interface I Have never used. A M_Audio Oxygen 49 keyboard, and assorted laptops I'm no longer using. I also have a PSR 740 I'm not using in any way. Picked up copy of VIP 32 bit and 64 bit to run everything. Using PSR3000 s main accompaniment keyboard. And this brings yp many many questions.

#1 Should I use the 740 (61 note manual) for main MIDI controller or the Audio Oxygen. The 740 would offer the full 61 note manual. The Oxygen offers the 8 sliders one can use like drawbars.

#2. Do I need to use the audio interface or can I hook this up direct?

A lot more questions for the future but that will do me for now.
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PSR 740,PSR 3000, Mirage, tx7, mp32, Pro Tools 10,11 SONAR, Reaper, BIAB 2020 and a pile of Computer Music mags w/disks
College student was working on Doctoral, Education Now just doing courses to do courses