I have played music with Processing, Python (a cool thing called Midi Musical Accompaniment or MMA), Chuck, Lily for Firefox, and Max with some of the Monome st

I have played music with Processing, Python (a cool thing called Midi Musical Accompaniment or MMA), Chuck, Lily for Firefox, and Max with some of the Monome stuff... A lot of it is done with Open Sound Control (OSC) behind the scenes sending UDP around and connecting the disparate parts. I would say just dive in!!!!