/usr/share/doc/libsox-dev/changelog.Debian.gz is in libsox-dev 14.4.1-5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libsox-dev/../libsox2/changelog.Debian.gz
/usr/share/doc/libsox-dev/../libsox2/changelog.Debian.gz