Graham Bond - vocals, alto saxophone, Hammond B-3 organ, Mellotron
Jack Bruce - vocals, acoustic and electric basses, harmonica
Dick Heckstall-Smith - tenor and soprano saxophone
Ginger Baker - drums, vocals
Produced by Robert Stigwood
Cover Design by Ginger Baker
Recorded at Olympic Sound Studios, Carton Hall, Carton Street, London, December 16, 1964, June 30 and July 1, 1965.