METALLICA SLAYER MEGADETH ANTHRAX: Live From Sofia Bulgaria (2010 UK Deluxe Edition 2-disc Regions 2-6 NTSC DVD set - When the 'Big Four', Metallica, Slayer, Megadeth and Anthrax, shared a stage together on June 22nd 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' comprises full footage from all four bands on a two disc set as well as behind the scenes and interview footage. Presented in a digipak packaging)