@Gargron Have you ever played around with Band-In-A-Box? It can solo on any instrument in any style. You can click in some chords and tell it to do a trumpet solo in the style of Miles Davis, and it will produce something that sounds like Miles Davis, at least for a while. I haven't fooled around with it for many years, but I have heard tracks it produced that fooled musicians. It tends to fill all the available space and gets boring after a while because it is not saying anything.