I've added it to Rhythmbox Bugzilla, which is what I should have done in the first place.
See here: http://bugzilla.gnome.org/show_bug.cgi?id=353578 -- User interface improvement suggestion https://launchpad.net/bugs/56884 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs