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.
Bob Tischler Robert Tischler is an American television writer, audio engineer and television producer. Tischler engineered the National Lampoon's first comedy album and with Michael O'Donoghue co-created and produced the National Lampoon Radio Hour. A friend of John Belushi's since the Radio Hour days, Tischler produced four Blues Brothers albums, the first of which, "Briefcase Full of Blues", reached No. 1 on the "Billboard" 200 and went double platinum.