Zack de la Rocha

These rock and metal singers left the bands they were in and then came back years later for another round (or multiple).

See why they're against the use of the technology.

The New York fusion band selects the best.

See what the singer had to say.

See how old your favorite rock and metal stars are turning this year.

The Rage Against the Machine and Queens of the Stone Age frontmen joined RTJ on Adult Swim.