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.

That's a hell of an injury.

The show will go on ... with some assistance.

Their voices aren't their only instrument.

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

A day after surprising us with his debut solo single, we learn that the former Rage Against the Machine singer has an album on the way.

At long last, former Rage Against the Machine vocalist Zack de la Rocha has delivered a solo single.

Zack de la Rocha's absence is notable, but Prophets of Rage's Tim Commerford says they have his blessing.

Rage Against the Machine may be long gone, but they helped inspire a new era of political antagonism in music.