The Big 4: Live from Sofia, Bulgaria

In 2010, for the first time ever, four giants of metal shared one stage for seven European shows. "Big Four," Metallica, Slayer, Megadeth and Anthrax, the final night, at the Sonisphere Festival in Sofia, Bulgaria, was broadcast l... When the 'Big Four,' Metallica, Slayer, Megadeth and Anthrax, shared a stage together on June 22nd, 2010, in Sofia, Bulgaria, it was the moment their fans had waited for decades. That monumental show was beamed live into over 1000 theaters worldwide via satellite in a special HD cinematic event.