There should be an option where you can edit your URL. Will make it look more neat and professional rather than having a long string of characters/ numbers for your address. Hope the Musicoin Team get this message!
I had the exact same idea this very morning. I think it should be the next step when the platform is debugged, fast, user friendly and the app is released. not before some time I guess, if it's in their roadmap
Musicoin has the potential to become the new Soudcloud