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Etta James: Vocals (1-11), composer (7)
- Steve Ferrone: Drums (1-9, 11)
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Roger Hawkins: Drums (10)
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Willie Weeks: Bass (1-5, 7-9, 11)
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David Hood: Bass (6, 10)
- Clayton Ivey: Wurlitzer (1, 2, 4, 6-8), piano (3, 5, 9-11), rhythm arranger, Fry Cook and Troll in Residence
- Lucky Peterson: Organ (1-11), guitar (1, 4, 6), lead guitar (2, 7, 11)
- Frank Crawford: Synthesizer (1-3, 5-11)
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Steve Cropper: Guitar (1-5, 7-9, 11), composer (8)
- Will McFarlane: Guitar (6, 9, 10), acoustic guitar (3, 9)
- Jimmy Johnson: Guitar (6, 10)
- Kirk "Jelly Roll" Johnson: Harmonica (1)
- Tom Roady: Percussion (1, 2)
- Hank Crawford: Alto saxophone (1-10), alto saxophone solo (11), horn arranger
- Harvey Thompson: Tenor saxophone (1-11)
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Jim Horn: Baritone saxophone (1-11)
- Mike Haynes: Trumpet (1-11)
- Gary Armstrong: Trumpet (1-11)
- Cindy Walker: Background vocals (3)
- Marie Lewey: Background vocals (3)
- George Soulé: Background vocals (3)
- George Henry Jackson: Background vocals (4), composer (4, 11)
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Steve Winwood: Vocals (6), guest artist (6)
- Earl T. Bridgeman: Composer (1)
- Philip C. Wooten: Composer (1)
- Al Green: Composer (2)
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Mabon "Teenie" Hodges: Composer (2)
- Ava Aldridge: Composer (3)
- Cindy Richardson: Composer (3)
- Rosetta Anderson: Composer (4)
- Johnnie Davis: Composer (4)
- Isaac Hayes: Composer (5)
- David Porter: Composer (5)
- Allen Toussaint: Composer (6)
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Josh Sklair: Composer (7)
- Eddie Floyd: Composer (8)
- Wilson Pickett: Composer (8)
- Lawrence Russell Brown: Composer (9)
- Billy Vera: Composer (9)
- Lew Herman: Composer (10)
- Jerry Wexler: Producer
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John Snyder: Executive producer
- Steve Melton: Engineer
- Jay Johnson: Assistant engineer, guitar (7, 10, 11)
- Vickie Lancaster: Safety engeneer
- Heath Ballew: Apprentice engineer
- Denny Purcell: Mastering engineer
- Artie Smith: Drum technician