The usual complaint about AI is that it isn't really original. It just remixes what already exists. Here is Bob Dylan, in 2015, on his own songs:
These songs didn't come out of thin air. I didn't just make them up out of whole cloth... It all came out of traditional music: traditional folk music, traditional rock and roll, and traditional big-band swing. If you'd sung "John Henry" as many times as I did, you'd have written "How many roads must a man walk down?" too. All these songs are connected. I just opened up a different door in a different kind of way. I thought I was just extending the line.