Complex sentence: Bradley J. "Brad" Wilk (born September 5,1968) is an US american musician, actor, and activist, best known as the drummer of the US American rock band Rage Against the Machine (1991--2000; 2007--11).
Split into simpler sentences: Bradley J. "Brad" Wilk (born September 5,1968) is a musician, actor, and activist from the United States. He is best known as the drummer of the rock band Rage Against the Machine (1991--2000; 2007--11).