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Ben Harper: Guitar (4-7, 9, 14), acoustic guitar (2, 8), acoustic guitar (3), organ (12), electric guitar (3), rhythm guitar (1), bass (14), bass synth (7), drums (14), vocals, composer, arranger (5), producer
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Juan Nelson: Bass (1, 3, 4, 6-12), backing vocals (7), composer (6)
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Oliver Charles: Drums (1, 3-11), backing vocals (1, 7), composer (7)
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Greg Kurstin: Electric piano (3, 4, 6, 7, 8, 11, 14), synthesizer (7), piano (9), Hammond organ (1, 8), clavinet (1, 6), background vocals (7), arranger (5)
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Leon Mobley: Percussion (1-4, 6-8, 12, 14), sound effects, background vocals (1, 7), composer (7)
- Nicky Panicci (a.k.a. Nicky P.): Electric guitar (3), acoustic guitar (8), lead guitar (11)
- Al Yasha Anderson: Guitar solo (1)
- Greg Leisz: Pedal steel guitar (3)
- Josef Zimmerman: Double bass (5)
- David Ralicke: Trombone (5)
- Ron Blake: Trumpet (5)
- Leo Chelyapov: Clarinet (5)
- Rebecca Yeh: Cello (5)
- Timothy Loo: Cello (9)
- Danielle Charles-Hunter: Violin (5)
- Darrel Sims: Viola (5)
- Amy Wilkins: Harp (5)
- Ladysmith Black Mambazo: Vocals (13)
- Carla Benson: Background vocals (2)
- John Ingram: Background vocals (2)
- Misty Love: Background vocals (2)
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Dean Butterworth: Composer (14)
- Todd Burke: Engineer (1-4, 6-12, 14), mixing
- Rick "Soldier" Will: Engineer (5, 13)
- Kevin Dean: Assistant engineer
- June Murakawa: Assistant engineer
- Josh Florian: Assistant
- Rail Jon Rogut: Assistant
- Gavin Lurssen: Mastering
- Ben Elder: Advisor, research
- Mike King: Design, layout design
- Darius Aftahi: Photography
- Blue Sky: Photography
- Jon Shapiro: Photography
