It seems to me you could have a huge explosion of creative work if the type of compulsory license that exists for musical scores could be applied to, well, pret

It seems to me you could have a huge explosion of creative work if the type of compulsory license that exists for musical scores could be applied to, well, pretty much everything under copyright. The losers, of course, would be copyright lawyers and the artistes that want complete control over their work even after it's published.