Garage Inc is Metallica's eighth album, which inludes cover versions of their other songs and the material from two of their earlier EP's, which were released in the 80's.
"Mercyful Fate" is a medley of Mercyful Fate songs, featuring "Evil", "Curse Of The Pharoahs", "Satan's Fall", "A Corpse Without Soul" and "Into The Coven".