John Cowan
- Compleanno:
- 08/24/1953
- Luogo di nascita:
- Minerva, Ohio, USA:
 | The Doobie Brothers - Quadio Box Set (2020) |
 | Big Family: The Story of Bluegrass Music (2019) Self - Musician |
 | The Doobie Brothers - Live from the Beacon Theatre (2019) Bass/Vocals |
 | Revival: The Sam Bush Story (2015) Self |