Before being dubbed "Uncle Rock" by his nephew, Robert Burke Warren performed as a bass player in many rock and roll bands, including international garage rock titans The Fleshtones. He also spent a year portraying Buddy Holly in Buddy: The Buddy Holly Story in London's West End, and has co-written songs for multi-Grammy winner Rosanne Cash and Rock & Roll Hall of Famer Wanda Jackson.

His latest CD The Big Picture is a socially conscious salute to his musical heroes, with sonic nods to David...