Metallica has gotten itself in the mix for promoting it's own signature series of Guitar Hero. The following was on their myspace page as "METALLICA GUITAR HERO GAME. . . FACT OR FICTION?":
An all Metallica Guitar Hero game . . . fact or fiction? Idle internet gossip, wishful thinking, or the real deal? Let's just say that perhaps, just maybe, if you've already mastered "One" on GHIII there might be a pile of 'Tallica songs in your future.
More details later this summer . . .