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.
Donny Osmond Donald Clark "Donny" Osmond (born December 9, 1957) is an American singer, actor, radio personality, and former teen idol. Osmond has also been a talk and game show host, record producer and author. In the mid-1960s, he and four of his elder brothers gained fame as the Osmonds. Osmond went solo in the early 1970s, covering such hits as "Go Away Little Girl" and "Puppy Love".