• Mark Mandelbaum
• Engineer

• Q-Tip
• Performer

• Joe Quinde
• Mixing

• Bruce Tergesen
• Engineer

• Charles Stella
• Engineer, Mastering, Mixing, Editing

• Daniel Wyatt
• Engineer, Mastering, Mixing, Editing

• Ken Ifill
• Mixing

• Nicole Willis
• Vocals

• Carlos Bess
• Mixing

• DJ Scratch
• Producer

• Yorum Vazan
• Engineer, Mixing

• Bahamadia
• Performer

• Kwest tha Madd Ladd
• Performer

• Ras Kass
• Performer

• Kool Keith
• Performer, Interlude

• Ben Arrindell
• Engineer

• Steve Souder
• Engineer

• Chris Athens
• Mastering

• Black Thought
• Performer

• DJ Nu-Mark
• Producer, Engineer, Mixing

• Ken "Duro" Ifle
• Mixing

• Vinny Nicoletti
• Mixing

• Mathias Q-Tip
• Performer

• Vaughn Sessions
• Engineer

• Taj Sidhu
• Engineer, Mixing

• D. Trotman
• Producer, Engineer

• Cut Chemist
• Producer, Engineer, Mixing

• Company Flow
• Performer

• Common
• Performer

• Jurassic 5
• Performer

• Wise Guy
• Performer

• Mos Def
• Performer

• Charlemagne
• Producer

• Sir Menelik
• Performer, ?

• Anthony Marshall
• Executive Producer

• Talib Kweli
• Performer, ?

• Lord Have Mercy
• Performer

• Rah Digga
• Performer

• Punch
• Performer

• GM
• Producer, Engineer

• 88-Keys
• Producer, Performer

• Bobbito
• Performer

• Tim Tan
• Engineer

• DJ Spinbad
• Scratching

• Alon Cohen
• Mixing

• DV Alias Khrist
• Performer

• Saul Williams
• Producer, Performer

• Natural Elements
• Performer

• Juggaknots
• Performer

• Shabaam Sahdeeq
• Performer

• Indelible MC's
• Performer

• Tash
• Performer

• The Last Emperor
• Performer

• Jedi Mind Tricks
• Performer

• Pharoahe Monch
• Performer

• Shawn J. Period
• Vocals (Background), Producer

• Thirstin Howl III
• Performer

• Word A' Mouth
• Performer

• Words
• Performer

• Mike Zoot
• Performer

• J-Treds
• Performer

• Ge-ology
• Producer

• Building Blocks
• Performer

• Survival Soundz
• Performer

• Nottz
• Producer

• Absolute
• Performer

• Problemz
• Performer

• Lilscienz
• Performer

• Mr. Metaphor
• Performer

• Prime
• Performer

• Diaz Brothers
• Performer

• Cipher Complet
• Performer

• Punch & Words
• Performer

• Keith Hill
• Engineer

• Keith Horne
• Producer

• Johnny O.C.
• Performer

• Tesfa Zawdie
• Guitar

• Danny Castro
• Executive Producer

• Perry Landesberg
• Executive Producer

• Ernesto Santana
• Engineer, Mixing

• William Tell
• Producer, Mixing, Engineer

• Native Sun
• Producer

• O.C.
• Performer

• Al
• Performer

• Zack de la Rocha
• Performer

• De La Soul
• Performer

• Kenny Diaz
• Producer

• Blaise Dupuy
• Engineer

• Chris Flam
• Mixing

• Sara Jones
• Performer

• KRS-One
• Performer

• Rise
• Performer