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.
Ted Bergmann Theodore Gerard Bergmann (September 12, 1920 – March 2, 2014) was an American television and radio producer, screenwriter, announcer, network and advertising executive. He worked for the Dumont Television Network in the 1940s and 1950s. He worked as a writer for the CBS-TV series "The Smothers Brothers Comedy Hour" starting in 1967 and worked as producer and production manager for several other TV series from the 1970s through the 1990s.