/usr/share/ is in ruby-mp3tag 1.0-12.
This file is owned by root:root, with mode 0o755.
..
/usr/share/rubygems-integration/1.9.1/
/usr/share/doc-base/
/usr/share/doc-base/ruby-mp3tag
/usr/share/doc/
/usr/share/doc/ruby-mp3tag/
/usr/share/doc/ruby-mp3tag/README
/usr/share/doc/ruby-mp3tag/changelog.Debian.gz
/usr/share/doc/ruby-mp3tag/copyright
/usr/share/doc/ruby-mp3tag/examples/
/usr/share/doc/ruby-mp3tag/examples/mp3tag_test.rb
/usr/share/doc/ruby-mp3tag/mp3tag.html
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/1.9.1/specifications/
/usr/share/rubygems-integration/1.9.1/specifications/mp3tag-2.6.0.gemspec
/usr/share/rubygems-integration/2.0/
/usr/share/rubygems-integration/2.0/specifications/
/usr/share/rubygems-integration/2.0/specifications/mp3tag-2.6.0.gemspec