/usr/share/doc/music-bin/changelog.Debian.gz is in music-bin 1.0.7-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/music-bin/../libmusic1v5/changelog.Debian.gz
/usr/share/doc/music-bin/../libmusic1v5/changelog.Debian.gz