 It is Metallica's most widely circulated demo tape.All of the tracks are early recordings of songs that would later appear on the band's debut album "Kill 'Em All".The track listing on "Kill 'Em All" is the same as that on the demo tape, with the exceptions of Cliff Burton's bass solo "(Anesthesia) Pulling Teeth", "Whiplash", "No Remorse" and "The Four Horsemen" (See notes above).