/usr/share/perl5/WebService/MusicBrainz/Response/ is in libwebservice-musicbrainz-perl 0.93-1.1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/WebService/MusicBrainz/Response/Alias.pm
/usr/share/perl5/WebService/MusicBrainz/Response/AliasList.pm
/usr/share/perl5/WebService/MusicBrainz/Response/Artist.pm
/usr/share/perl5/WebService/MusicBrainz/Response/ArtistList.pm
/usr/share/perl5/WebService/MusicBrainz/Response/Disc.pm
/usr/share/perl5/WebService/MusicBrainz/Response/DiscList.pm
/usr/share/perl5/WebService/MusicBrainz/Response/ISRC.pm
/usr/share/perl5/WebService/MusicBrainz/Response/ISRCList.pm
/usr/share/perl5/WebService/MusicBrainz/Response/Label.pm
/usr/share/perl5/WebService/MusicBrainz/Response/LabelList.pm
/usr/share/perl5/WebService/MusicBrainz/Response/Metadata.pm
/usr/share/perl5/WebService/MusicBrainz/Response/Puid.pm
/usr/share/perl5/WebService/MusicBrainz/Response/PuidList.pm
/usr/share/perl5/WebService/MusicBrainz/Response/Rating.pm
/usr/share/perl5/WebService/MusicBrainz/Response/Relation.pm
/usr/share/perl5/WebService/MusicBrainz/Response/RelationList.pm
/usr/share/perl5/WebService/MusicBrainz/Response/Release.pm
/usr/share/perl5/WebService/MusicBrainz/Response/ReleaseEvent.pm
/usr/share/perl5/WebService/MusicBrainz/Response/ReleaseEventList.pm
/usr/share/perl5/WebService/MusicBrainz/Response/ReleaseGroup.pm
/usr/share/perl5/WebService/MusicBrainz/Response/ReleaseGroupList.pm
/usr/share/perl5/WebService/MusicBrainz/Response/ReleaseList.pm
/usr/share/perl5/WebService/MusicBrainz/Response/Tag.pm
/usr/share/perl5/WebService/MusicBrainz/Response/TagList.pm
/usr/share/perl5/WebService/MusicBrainz/Response/Track.pm
/usr/share/perl5/WebService/MusicBrainz/Response/TrackList.pm
/usr/share/perl5/WebService/MusicBrainz/Response/UserRating.pm
/usr/share/perl5/WebService/MusicBrainz/Response/UserTag.pm
/usr/share/perl5/WebService/MusicBrainz/Response/UserTagList.pm