I was able to find that this was documented upstream in patch for Gnome bug #572651
Source: https://bugzilla.gnome.org/show_bug.cgi?id=572651 I've applied the patch, fixed the failing patch hunks and created a merge request (GitLab's version of pull request) here: https://gitlab.gnome.org/GNOME/rhythmbox/-/merge_requests/59 Fixes #329389 ** Bug watch added: bugzilla.gnome.org/ #572651 https://bugzilla.gnome.org/show_bug.cgi?id=572651 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/329389 Title: "Party mode" ununderstandable and undocumented To manage notifications about this bug go to: https://bugs.launchpad.net/hundredpapercuts/+bug/329389/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs