Backing Vocals – Flora Purim (tracks: 1, 10, 11) br Bass – Stanley Clarke (tracks: 6, 9 to 12) br Drums – Leon Ndugu Chancler (tracks: 6, 9, 11, 12) br Percussion – Airto Moreira (tracks: 1, 10, 11) br Written-By – Carlos Santana (tracks: 3, 4, 6, 7, 9, 10), Tom Coster (tracks: 2, 4, 6)