According to the Universal Music store, Universal Music has set an October 11 U.K. release date for the "The Big Four: Live From Sonisphere 2010" DVD and Blu-ray containing footage of the June 22, 2010 Sonisphere cinecast from the Sofia, Bulgaria leg of the touring rock festival featuring the "Big Four" of 1980s thrash metal ??? Metallica, Slayer, Megadeth and Anthrax.
