Drums – Guy Warren (tracks: 2-14), Remi Kabaka (tracks: 1-01 to 2-01)
Drums [African], Percussion – Neemoi Acquaye (tracks: 2-02 to 2-05, 2-07, 2-08)
Drums, Percussion, Voice – Ginger Baker
Bass – Bobby Gass (tracks: 2-10 to 2-13), Colin Gibson (tracks: 2-05 to 2-08)
Bass, Violin – Rick Grech (tracks: 1-01 to 2-03, 2-06)
Compilation Producer – Bill Levenson
Engineer – Andrew Johns* (tracks: 1-01 to 1-08), Damon Lyon-Shaw (tracks: 2-14), George Chkiantz (tracks: 1-01 to 1-08, 2-08), Mike Boback* (tracks: 2-10 to 2-13, 2-15), Roy Thomas Baker (tracks: 2-02 to 2-07)
Guitar, Vocals – Bobby Gass (tracks: 2-12, 2-13), Denny Laine (tracks: 1-01 to 2-08)
Mastered By – Suha Gur
Organ, Vocals – Steve Winwood (tracks: 1-01 to 2-01)
Organ, Vocals, Percussion – Fela Ransome-Kuti* (tracks: 2-10 to 2-15)
Organ, Vocals, Piano – Graham Bond (tracks: 2-02 to 2-08)
Percussion – Alhaji J.K. Brimar (tracks: 2-10, 2-11), Phil Seamen (tracks: 1-01 to 2-01), Rocky Dzidzornu* (tracks: 2-02, 2-03, 2-08)
Piano, Organ, Guitar, Vocals – Ken Craddock* (tracks: 2-02 to 2-08)
Piano, Vocals – Fela Ransome-Kuti* (tracks: 2-12, 2-13)
Producer – Ginger Baker (tracks: 2-02 to 2-15), Jimmy Miller (tracks: 1-01 to 2-01)
Saxophone [Alto] – Graham Bond (tracks: 1-01 to 2-08)
Saxophone [Baritone, Alto, Soprano] – Bud Beadle (tracks: 2-02 to 2-08)
Saxophone [Tenor], Flute – Chris Wood (2) (tracks: 1-01 to 2-01), Harold McNair (tracks: 1-01 to 2-08), Steve Gregory (tracks: 2-02 to 2-08)
Timpani, Bells [Tubular], Drums [African] – Ginger Baker (tracks: 2-02 to 2-08)
Vocals – Alhaji J.K. Brimar (tracks: 2-12, 2-13), Aliki Ashman (tracks: 2-02 to 2-08), Catherine James (tracks: 2-03, 2-04, 2-06), Diane Stewart (tracks: 2-02 to 2-08), Jeanette Jacobs (tracks: 1-01 to 2-01), Remi Kabaka (tracks: 2-10, 2-11), Sandra Danielle* (tracks: 2-10, 2-15)