/usr/ is in rhythmbox-plugin-cdrecorder 3.3-1ubuntu7.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/rhythmbox-plugin-cdrecorder/
/usr/lib/
/usr/lib/rhythmbox/
/usr/lib/rhythmbox/plugins/
/usr/lib/rhythmbox/plugins/cd-recorder/
/usr/lib/rhythmbox/plugins/cd-recorder/cd-recorder.plugin
/usr/lib/rhythmbox/plugins/cd-recorder/libcd-recorder.so
/usr/share/doc/rhythmbox-plugin-cdrecorder/copyright
/usr/share/doc/rhythmbox-plugin-cdrecorder/NEWS.gz
/usr/share/doc/rhythmbox-plugin-cdrecorder/THANKS
/usr/share/doc/rhythmbox-plugin-cdrecorder/AUTHORS
/usr/share/doc/rhythmbox-plugin-cdrecorder/changelog.Debian.gz
/usr/share/doc/rhythmbox-plugin-cdrecorder/README
/usr/share/doc/rhythmbox-plugin-cdrecorder/NEWS.Debian.gz