/usr/share/applications/radiotray.desktop is in radiotray 0.7.3-3.
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 | [Desktop Entry]
Name=Radio Tray
Terminal=false
Exec=radiotray
Icon=radiotray
Type=Application
Categories=AudioVideo;Audio;Player;GTK;
|