/usr/share/glib-2.0/schemas/20_ubuntustudio-default-settings.gschema.override is in ubuntustudio-default-settings 0.33.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | [com.canonical.indicator.sound]
interested-media-players=[ 'audacious' ]
show-notify-osd-on-scroll=false
[com.ubuntu.update-notifier]
auto-launch=false
|