/usr/share/applications/aeolus.desktop is in aeolus 0.9.5-1.
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 9 | [Desktop Entry]
Name=Aeolus
Comment=Organ Emulator
Keywords=audio;sound;jackd;synth;
Exec=/usr/bin/aeolus
Terminal=false
Type=Application
Icon=audio-x-generic
Categories=AudioVideo;Audio;
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