Live DVD features heavy metal event "The Big Four" in Sofia, Bulgaria on June 22, 2010. Metallica, Slayer, Megadeth and Anthrax perform on one stage together. Deluxe edition includes five discs, 24-page booklet, event poster, posters from each band (four posters) and guitar pick (subject to change). Box size: 20.5 x 15 x 4cm (subject to change).