tried it again now - Nautilus identifies the files as audio/x-musepack now, so they are unassigned again...
** Changed in: shared-mime-info (Ubuntu) Assignee: Ubuntu Desktop Bugs => Sebastian Dröge -- musepack is missing https://launchpad.net/bugs/27248 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs