Rob, Thanks so much for your speedy response to my inquiry. I have been using the VST host software, Cantabile, for my virtual software instruments for several years with two M-Audio keyboard controllers. So I'm aware of how MIDI keyboard controllers work with virtual instruments set to separate MID...

If I use two separate keyboard controllers, which do not have volume control pedal inputs; If I set them to two different MIDI channels controlling virtual instruments (one keyboard controlling a string patch on channel 1 and the other controlling an organ module on channel 2), can I use the Quattro...