Watch Anthrax - The Big Four - Live from Sofia, Bulgaria Full Movie

On June 16, 2010, at the Sonisphere Festival at Bemowo Airport in Warsaw, Poland, the "big four" of American thrash metal—Metallica, Slayer, Megadeth, and Anthrax—performed together for the first time. Anthrax was the first band to go on and played 10 songs.