Question: Who has more scope of profession, Boz Burrell or Robert Plant?
Sentence (from "Before I Forget (album)"): The bulk of the songs are either mainstream rock tracks ("Hollywood Rock and Roll", "Chance on a Feeling") or, specifically on Side Two, a series of very English classical piano ballads sung by mother and daughter duo, Vicki Brown and Sam Brown (wife and daughter of entertainer Joe Brown) and vocalist Elmer Gantry.
Relevant evidence: No