It also means You can trust your music will be your own, for most of your life.
Look at Disney and don't tell me that a lack of copyright makes creativity. A lack of copyright just enables corporations to mass produce drivel from non-copyrighted works and cut out the talented people. Disney is barely a step away from just an algorithm that creates film scripts from Brothers Grimm stories.
Copyright is about the government stopping other people from using a work without permission of the copyright holder, not about identifying whose work something is.
There's other ways to handle the music labels than abolish copyright.