iOS Bugfix: playing music files that are not in the assets folder!

On a side note: I noted in the iOS Wiki there is a mention to convert sounds to CAF or OGG. I added a comment below. I wonder, what are the benefits of using CAF or OGG besides probably (?) better compression?

Wiki ("Sound" section at bottom):
http://code.google.com/p/libgdx/wiki/IOSWIP?ts=1367735126&updated=IOSWIP