That's Rock 'N' Roll Live was an album of the concert tour of a teen-idol sensation, American television producer/creator and screenwriter whose older half-brother is who?
Shaun Cassidy Shaun Paul Cassidy (born September 27, 1958) is an American television producer/creator, screenwriter, and former singer and actor. He is the eldest son of Shirley Jones and Jack Cassidy. His older half-brother is David Cassidy.
David Leaf David Leaf (born April 20, 1952) is an American writer, producer, and director known for documentaries, music programs, and pop culture retrospectives.