It's official:  "The Big Four"... or as we call them, the Superstars of Thrash"... METALLICA, MEGADETH, SLAYER and ANTHRAX will be touring North America. (They did a brief European tour together last year.)

The dates will be announced today at 11:00 A.M. Eastern (8:00 A.M. Pacific).

For updates, hit up the tour's Facebook Page!