Question:  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?
Sentence (from "That's Rock 'n' Roll Live"): The album featured tracks from his four studio albums ("Shaun Cassidy", "Born Late", "Under Wraps" and the then-forthcoming album "Room Service").
Relevant evidence: No