- AEROSMITH - Steven Tyler – lead vocals, keyboards, piano, harmonica, drums, acoustic guitar, producer Jimmy Crespo – guitar, backing vocals, additional vocals on "Bitches Brew" Rick Dufay – guitar (credited but doesn't play on the album; joined band when recording was finished) Tom Hamilton – bass Joey Kramer – drums Additional musicians - Paul Harris – piano ("Push Comes to Shove") John Turi – saxophone ("Rock in a Hard Place (Cheshire Cat)") Reinhard Straub – violin ("Joanie's Butterfly") John Lievano – acoustic guitar ("Joanie's Butterfly")