premise: Rage was co-founded by Brad Wilk.
hypothesis: Audioslave . The four-piece band consisted of Soundgarden lead singer/rhythm guitarist Chris Cornell , and Rage Against the Machine members Tom Morello ( lead guitar ) , Tim Commerford ( bass/backing vocals ) , and Brad Wilk ( drums ) . Rage is a German heavy metal band , formed in 1984 by Peter `` Peavy '' Wagner .