Mike Polk Jr. talks Cleveland rock history with Sweet Apple's John Petkovic

J Mascis and John Petkovic - Tangerine (Led Zeppelin) March 7, 2018, Carnegie Hall, NYC

Sad Planets (Patrick Carney and John Petkovic) with J Mascis -- Just Landed [Official Video]

Mike Watt, J Mascis, John Petkovic - TV Eye 05/02/12 NYC

Mike Watt/Byron Coley/J + Murph/John Petkovic - "L.A. Blues" at Watt's Book Release Signing 5/2/12

Sad Planets (John Petkovic and Patrick Carney) -- Yesterday Girls (Official Video)

Sad Planets - Just Landed (Patrick Carney & John Petkovic)