https://bugzilla.redhat.com/show_bug.cgi?id=832670
--- Comment #1 from Michael Scherer misc@zarb.org --- License tag is wrong, this is lgpl v2, no + ( at least, according to the comment in source code )
And there is no tarball on ftp://ftp.musicbrainz.org/pub/musicbrainz/ for the version 5.