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)