Music.java: Refactor the constructor.
Music.java: Refactor the constructor.

abarisain/dmix,0359xiaodong/dmix,jcnoir/dmix,joansmith/dmix,joansmith/dmix,0359xiaodong/dmix,hurzl/dmix,hurzl/dmix,abarisain/dmix,jcnoir/dmix