/usr/share/doc/libsox-fmt-mp3/changelog.Debian.gz is in libsox-fmt-mp3 14.3.2-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libsox-fmt-mp3/../libsox1b/changelog.Debian.gz
/usr/share/doc/libsox-fmt-mp3/../libsox1b/changelog.Debian.gz