Rhythmbox places the album cover in that whitespace. If it can't find the album cover, it appears to be blank space.
** Changed in: rhythmbox (Ubuntu) Status: New => Invalid -- Notification area icon has too much horizontal padding https://bugs.launchpad.net/bugs/293303 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs