CAST & CREW
John Cowan
John Cowan is an American soul music and progressive bluegrass vocalist and bass guitar player.
FILMOGRAPHY
CAST & CREW
John Cowan is an American soul music and progressive bluegrass vocalist and bass guitar player.
FILMOGRAPHY
David Holt's State of MusicSelf
Big Family: The Story of Bluegrass MusicSelf - Musician
Revival: The Sam Bush StorySelf
The Doobie Brothers - Live from the Beacon TheatreBass/Vocals