Competing AI music apps are popping up like mushrooms, some of them psychedelic, others that will make you nauseous. You can mix a pop song with a Classical fugue, or guide the algorithm to make completely new music. Sony, Google, Microsoft and others are cooking up AI tools to hook humans on music creation. But are there limitations? Can a computer make a song to bring you to tears? When does a music imitation algorithm cross the line into copyright infringement? Is AI music any good? Can AI help a musician make better music? Our remarkable panel reveals answers.