/usr/share/app-install/desktop/sonic-visualiser:sonic-visualiser.desktop is in app-install-data 15.10.
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 10 11 12 13 14 15 | [Desktop Entry]
X-AppInstall-Package=sonic-visualiser
X-AppInstall-Popcon=12
X-AppInstall-Section=universe
Name=Sonic Visualiser
Exec=sonic-visualiser %U
Keywords=audio; sound; visualiser; sonic;
Terminal=false
Type=Application
Icon=sv-icon
Categories=Audio;AudioVideo;
MimeType=application/x-sonicvisualiser;application/x-sonicvisualiser-layer;application/x-ogg;audio/mp3;audio/mpeg;audio/mpegurl;audio/x-flac;audio/x-mp3;audio/x-mpeg;audio/x-mpegurl;audio/x-wav;audio/wav;application/ogg;audio/x-vorbis+ogg;
X-Ubuntu-Gettext-Domain=app-install-data
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