Two of metal's biggest and most influential bands have announced that they are to release a joint, limited edition, 12 inch vinyl to celebrate Record Store day.
The release is set to include an UNKLE remix of METALLICA's 'Frantic' on one side and SABBATH's 'Paranoid' on the other, complete with alternative lyrics.
Only 1,000 copies will be available on UK Record Store day on April 17th.