Zack de la Rocha

Their voices aren't their only instrument.

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

The guitarist also spoke warmly of Chris Cornell.

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

Before the 'machine' started up.

'RTJ4' has arrived ahead of schedule.

He's taking the power back!

After releasing the single 'Digging for Windows' earlier this week, it appears as though Zack de la Rocha will release a full album in 2017.

Zack de la Rocha is back! Take a listen to his new solo single, 'Digging for Windows' here.

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