A synthesizer is just as useless as a violin without someone to play it.

You could hook both of those things up to servos and make a machine do it, but it's the notes being played that are where creativity comes in.

I've liked some AI generated music, and it even fooled me for a little while but only up to a point, because after a few minutes it just feels very "canned". I doubt that will change, because most good music is based on human emotion and experience, something an "AI" is not likely to understand in our lifetimes.