When the 'Big Four' - Metallica, Slayer, Megadeth and Anthrax - shared a stage together on 22nd June 2010 in Sofia, Bulgaria, the show was beamed live into over 550 theatres worldwide via satellite in a special HD cinematic event. The Big Four Live from Sofia includes full shows from all four bands as well as behind the scenes and interview footage. The legendary concert from the Sonisphere Festival was one of only 7 shows across Europe when the four monsters of metal shared a stage for the first time.
The Big Four: Live from Sofia, Bulgaria is a live video with performances by Metallica, Slayer, Megadeth, and Anthrax, the "big four" of American thrash metal. The concert took place on June 22, 2010, at the Sonisphere Festival at Vasil Levski National Stadium, Sofia, Bulgaria. It was shown at 450 movie theaters in the United States and over 350 movie theaters across Europe, Canada, and Latin America on June 22, 2010.
