/usr/ is in ubuntustudio-default-settings 0.33.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/pixmaps/
/usr/share/pixmaps/photo.xpm
/usr/share/pixmaps/ubuntustudio-logo.png
/usr/share/pixmaps/ubuntustudio-logo-menu.png
/usr/share/pixmaps/hexter.xpm
/usr/share/pixmaps/ubuntustudio-logo.svg
/usr/share/pixmaps/ffado.xpm
/usr/share/desktop-directories/
/usr/share/desktop-directories/ubuntustudio-synths.directory
/usr/share/desktop-directories/ubuntustudio-mediaplayback.directory
/usr/share/desktop-directories/ubuntustudio-effects.directory
/usr/share/desktop-directories/ubuntustudio-audioproduction.directory
/usr/share/desktop-directories/ubuntustudio-photography.directory
/usr/share/desktop-directories/ubuntustudio-mixers.directory
/usr/share/desktop-directories/ubuntustudio-videoproduction.directory
/usr/share/ubuntustudio/
/usr/share/ubuntustudio/applications/
/usr/share/ubuntustudio/applications/Thunar-bulk-rename.desktop
/usr/share/ubuntustudio/applications/xfhelp4.desktop
/usr/share/ubuntustudio/applications/defaults.list
/usr/share/ubuntustudio/applications/debian-uxterm.desktop
/usr/share/ubuntustudio/applications/xfce4-terminal.desktop
/usr/share/ubuntustudio/applications/Thunar.desktop
/usr/share/ubuntustudio/applications/debian-xterm.desktop
/usr/share/xsessions/
/usr/share/xsessions/ubuntustudio.desktop
/usr/share/doc/
/usr/share/doc/ubuntustudio-default-settings/
/usr/share/doc/ubuntustudio-default-settings/copyright
/usr/share/doc/ubuntustudio-default-settings/changelog.gz
/usr/share/glib-2.0/
/usr/share/glib-2.0/schemas/
/usr/share/glib-2.0/schemas/20_ubuntustudio-default-settings.gschema.override
/usr/share/gconf/
/usr/share/gconf/defaults/
/usr/share/gconf/defaults/20_ubuntustudio-default-settings
/usr/share/ubuntustudio-menu/
/usr/share/ubuntustudio-menu/menus/
/usr/share/ubuntustudio-menu/menus/xfce-applications.menu