Arranged By - Ahmir-Khalib Thompson*
Arranged By [Vocals] - Tariq Trotter
Artwork By - Ari Foreman
Backing Vocals - Rachel Graham (tracks: 7) , Shortie No Mass (tracks: 5) , Sista Urban (tracks: 7)
Backing Vocals, Vocals - Cassandra Wilson (tracks: 12, 14)
Bagpipes - Rufus Harley (tracks: 9)
Bass, Bass [String], Double Bass, Violin [Bass], Fiddle [Bass], Harp - HUB (2) (tracks: 1 to 7, 9 to 15)
Drums, Piano [Rhodes], Voice, Backing Vocals, Kazoo, Organ [Hammond B-3] - B.R.O.THER. ?*
Executive Producer - A. J. Shine , Richard Nichols
Human Beatbox - Rahzel (tracks: 7, 8, 15)
Mastered By - Tom Coyne
Mixed By - A. J. Shine (tracks: 2, 3, 5, 9, 10, 13 to 15) , Ahmir-Khalib Thompson* (tracks: 1 to 7, 10 to 12, 14 to 16) , Bob Power (tracks: 2 to 4, 6, 7, 9, 13, 14) , Dave Ivory* (tracks: 8) , George Spatta (tracks: 2, 4, 13) , Jim "Jiff" Hinger (tracks: 5, 10 to 12, 15) , Jim Bottari (tracks: 5, 10, 11) , Richard Nichols (tracks: 3 to 7, 9 to 15) , Taj Walton* (tracks: 5, 10) , Steve Howard (2) (tracks: 4) , Tariq Trotter (tracks: 5) , Tim Lathan* (tracks: 3)
Photography - Alison Dyer
Piano [Rhodes], Synthesizer - Scott Storch (tracks: 2 to 6, 9 to 14)
Producer - Grand Negaz
Rap [Guest] - Dice Raw (tracks: 15) , ELO The Cosmic Eye (tracks: 10)
Rap, Backing Vocals, Voice - Malik B. (tracks: 1 to 6, 10 to 13)
Rap, Lead Vocals, Backing Vocals, Scat - Black Thought (tracks: 1 to 7, 9 to 16)
Recorded By - Bob Power (tracks: 7) , Dave Ivory* (tracks: 1 to 12, 14 to 16) , Gordon Rice (tracks: 3) , Otto Capobianco (tracks: 2, 3, 10, 13) , Vince Kershner (tracks: 2, 14)
Saxophone - Steve Coleman (tracks: 4, 6, 9, 11, 12, 14)
Trombone - Joshua Roseman (tracks: 4, 6)
Trumpet - Graham Haynes (tracks: 4, 6)
Vocals - Bun (2) (tracks: 7) , Ursula Rucker (tracks: 16)