John CowanShareBiographyJohn Cowan is an American soul music and progressive bluegrass vocalist and bass guitar player.Known For (Movies)0%Revival: The Sam Bush Story80%The Doobie Brothers - Live from the Beacon Theatre0%Big Family: The Story of Bluegrass MusicPrevious slideNext slideKnown For (TV)90%David Holt's State of MusicPrevious slideNext slide
