Backed by younger Zappa enthusiasts, Ike Willis and Napoleon Murphy Brock are the two connections to Zappa's actual band, a shifting ensemble that swung from doo-wop to disco to bent jazz, much of it so complex that Zappa often put down his guitar to conduct the group. Saxophonist Brock sang on early classics like One Size Fits All and tag-teamed with Willis for much of Zappa's late-'70s/early '80s golden period. Singer-guitarist Willis sang the hilarious opus Joe's Garage while occasionally covering tunes such as "I Am the Walrus" and "Stairway to Heaven." Project/Object set lists range from the semiconventional jazz of Hot Rats to social satire with rippin' solos like "I'm the Slime." And chances are good they'll break out "Let's Move to Cleveland."