/usr/share/menu/mixer.app is in mixer.app 1.8.0-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | ?package(mixer.app):needs="x11" \
section="Applications/Sound" title="Mixer.app"\
command="/usr/bin/Mixer.app"
|