++ musicbrainz provides a freedb style gateway for looking up albums, artists and songs...
+ https://wiki.musicbrainz.org/History:FreeDB_Gateway
+ use this instead of the old freedb URL:
+ http://freedb.musicbrainz.org:80/~cddb/cddb.cgi
++ gnudb: works in apps that need exact old freedb format, had more success
+ in asunder with gnudb
+ => gnudb.gnudb.org 8880