Credits

Blue Mitchell: Trumpet, Flugelhorn
Red Holloway: Flute, Alto Saxophone, Tenor Saxophone
John Mayall: Harmonica, Producer, Rhythm Guitar, Keyboards, Piano, Slide Guitar, Vocals, 12-String Guitar
Don "Sugarcane" Harris: Violin
Don Nix: Drums
Mick Haggerty: Design
Freddy Robinson: Guitar, Vocals
Leandro Correa: Photography
Keef Hartley: Drums
Victor Gaskin: Bass
Wayne Daily: Engineer