Instructions Full Game: These are multiple-choice quizzes with four possible answer choices that include all questions in a given set.     
When inducted into the Rock and Roll HoF, what act's lineup included the following performers (not all listed):
Denny Doherty, Cass Elliot, John Phillips, and Michelle Phillips
The O'Jays
The Staple Singers
Led Zeppelin
The Mamas & the Papas