/usr/share/ is in rhythmbox 3.0.2-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/
/usr/share/doc/rhythmbox/
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/rhythmbox.1.gz
/usr/share/man/man1/rhythmbox-client.1.gz
/usr/share/python3/
/usr/share/python3/runtime.d/
/usr/share/python3/runtime.d/rhythmbox.rtupdate
/usr/share/pixmaps/
/usr/share/pixmaps/rhythmbox-small.xpm
/usr/share/menu/
/usr/share/menu/rhythmbox
/usr/share/doc/rhythmbox/README.Debian
/usr/share/doc/rhythmbox/copyright
/usr/share/doc/rhythmbox/TODO.Debian
/usr/share/rhythmbox/
/usr/share/rhythmbox/plugins/
/usr/share/rhythmbox/plugins/iradio/
/usr/share/rhythmbox/plugins/iradio/iradio-initial.xspf
/usr/share/rhythmbox/plugins/iradio/iradio-toolbar.ui
/usr/share/rhythmbox/plugins/iradio/station-properties.ui
/usr/share/rhythmbox/plugins/iradio/iradio-popup.ui
/usr/share/rhythmbox/plugins/audiocd/
/usr/share/rhythmbox/plugins/audiocd/audiocd-toolbar.ui
/usr/share/rhythmbox/plugins/audiocd/album-info.ui
/usr/share/rhythmbox/plugins/generic-player/
/usr/share/rhythmbox/plugins/generic-player/generic-player-info.ui
/usr/share/rhythmbox/plugins/generic-player/generic-player-toolbar.ui
/usr/share/applications/
/usr/share/applications/rhythmbox-device.desktop
/usr/share/applications/rhythmbox.desktop
/usr/share/doc/rhythmbox/AUTHORS
/usr/share/doc/rhythmbox/THANKS
/usr/share/doc/rhythmbox/NEWS.Debian.gz
/usr/share/doc/rhythmbox/NEWS.gz
/usr/share/doc/rhythmbox/README
/usr/share/doc/rhythmbox/changelog.Debian.gz