scheme & lisp actually have quite a history in computer music - see snd editor, common lisp music in the late 80s/early 90s, adding a processing core to a lis

scheme & lisp actually have quite a history in computer music - see snd editor, common lisp music in the late 80s/early 90s, adding a processing core to a lisp/scheme was probably the easiest way to bootstrap an interactive/interpreted environment, and also give you the language features to design specialized syntax for your music language