/usr/share/menu/showq is in showq 0.4.1+git20090622+dfsg0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | ?package(showq):needs="X11" section="Applications/Sound"\
title="Show Q" command="/usr/bin/showq"
|