The Big Four: Live from Sofia, Bulgaria
On October 29, 2010, the live show of the four monsters of metal was released on DVD.
The DVD entitled "The Big Four: Live from Sofia, Bulgaria" documents the performance that took place on June 22, 2010, as part of the Sonysphere Festival held in Bulgaria, in which four trash metal monsters participated: "Metallica", "Slayer", "Megadeth", and "Anthrax"
The show was filmed, broadcast live, and screened in 450 theaters in the US and 350 theaters in Europe, Canada, and South America.
The first performance of "the Big 4" took place in Warsaw, Poland on June 16, with a total of the four bands conducting 14 shows from June 2010 to September 2011.
The order of the bands' performances was: "Anthrax", "Megadeth", "Slayer" and last was "Metallica", when at the end of each show the four bands went up to the stage and performed together the song "Am I Evil?" A song by the heavy metal band "Diamond Head" that "Metallica" covered.