MusicBrainz MySQL
The MusicBrainz database is written in PostgreSQL. MusicBrainz MySQL allows any user to very easily set up a mirror of the MusicBrainz database using MySQL, complete with replication.
More information and download is available on the project's Git repository at https://github.com/elliotchance/mbzdb.
Developer
Any problems/questions/ideas, please email them to Elliot Chancey (chancey).