Brad Wilk was a musician for Greta.
Bradley J. `` Brad '' Wilk -LRB- born September 5 , 1968 -RRB- is a musician , actor , and activist from the United States .. He is best known as the drummer of the rock bands Rage Against the Machine -LRB- 1991 -- 2000 ; 2007 -- 11 -RRB- and Audioslave -LRB- 2001 -- 07 -RRB- .. Rage Against the Machine. Rage Against the Machine. Audioslave. Audioslave. Wilk started his career as a drummer for Greta in 1990 , and helped co-found Rage with Tom Morello and Zack de la Rocha in August 1991 .. Greta. Greta ( band ). Tom Morello. Tom Morello. Zack de la Rocha. Zack de la Rocha. Following that band 's breakup in October 2000 Wilk , Morello , Rage Against the Machine bassist Tim Commerford , and Soundgarden front man Chris Cornell formed the supergroup Audioslave , which broke up in 2007 .. Rage Against the Machine. Rage Against the Machine. Audioslave. Audioslave. Tim Commerford. Tim Commerford. Soundgarden. Soundgarden. Chris Cornell. Chris Cornell. supergroup. Supergroup ( music ). As of 2016 , he is playing in the band Prophets of Rage , with Commerford , Morello , Chuck D , B-Real and DJ Lord .. Prophets of Rage. Prophets of Rage. Chuck D. Chuck D. B-Real. B-Real. DJ Lord. DJ Lord. Wilk has also performed drums on English metal band Black Sabbath 's final album 13 .. Black Sabbath. Black Sabbath. metal. heavy metal music. 13 ( Black Sabbath album ). The album was released in June 2013 .