I believe that if you look at the work done at IRCAM since 1977, you'll find a lot on generating music—from scratch, or from interacting with musician, or from

I believe that if you look at the work done at IRCAM since 1977, you'll find a lot on generating music—from scratch, or from interacting with musician, or from gestures… (Max/MSP was also invented there before it was a Cycling74 product.) So there is research on generating music, but like a lot of cool research, nobody is making an effort to turn it into products.