Depending on how much time/effort you want to invest... AFAIK Pure Data [1] was used for generative (background) music scores in SPORE. Maybe this is a good pl

Depending on how much time/effort you want to invest... AFAIK Pure Data [1] was used for generative (background) music scores in SPORE. Maybe this is a good place to start: http://obiwannabe.co.uk/html/sound-design/sound-design-all.html http://obiwannabe.co.uk/html/sound-design/sound-design-all.h... [1] http://puredata.info http://puredata.info