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The big four -- Metallica, Anthrax, Slayer, Megadeth -- are coming to the United States find out here where, when, and when you can get tix as Scott Ian talks about what is significant about the Big Four.

Slayer, Anthrax, Megadeth, Metallica, Scott, Ian, Dave, Mustaine, James, Hetfield, Tom, Araya, Kerry, King, Joey, Belladonna, Lars, Ulrich, Kirk, Hammett, Frank, Bello, Charlie, Benante