Footage of the June 22, 2010 Sonisphere cinecast from the Sofia, Bulgaria featuring the "Big Four" of 1980s thrash metal ??? Metallica, Slayer, Megadeth and Anthrax ??? will premiere on MTV Networks channels Palladia and VH1 Classic this March. Select songs from each band, as well as the lauded group jam on Diamond Head's "Am I Evil?", will first air on March 19. This will mark the first time it airs on a basic cable channel and at no extra cost to the viewer. In an added bonus, the footage will air in high definition on Palladia, which prides itself on HD concert content.
