/usr/share/applications/jack-keyboard.desktop is in jack-keyboard 2.7.1-1build1.
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 7 8 | [Desktop Entry]
Name=JACK Keyboard
Comment=Virtual keyboard for JACK MIDI
Exec=jack-keyboard
Icon=jack-keyboard
Categories=AudioVideo;Audio;Midi;
Terminal=false
Type=Application
|