Talib Kweli ‎– Quality

Bass – Doug Wimbish Guitar – Morgan Michael Craft Producer – Megahertz (2) Vocals [Vocal Drop] – Xzibit

Backing Vocals – Abby Dobson (2), Chinua Hawk, Kendra Ross, Vernetta Bobien, William Taylor Producer – Kanye West Trumpet – Duane Eubanks

Producer – DJ Scratch Vocals – McKay*, Tiffany Phinazee

Bass – Doug Wimbish Producer – Megahertz (2) Rap [Featuring] – Cocoa Brovaz Vocals [Additional] – Junior Cat

Producer – Dahoud Darien Rap [Featuring] – Bilal

Producer – Ayatollah Rap [Featuring] – Mos Def

Bass – Pino Palladino Co-producer – Talib Kweli Drums – Ahmir '?uestlove' Thompson Guitar – Randy Bowlan* Keyboards – James Poyser Producer – Soulquarians, The Rap [Featuring] – Bilal Trumpet – Duane Eubanks Violin – Emmanuel Pratt Vocals [Additional] – Aisha Mike

Producer – Kanye West Rap [Featuring] – Black Thought, Pharoahe Monch Vocals [Additional] – Kanye West

Bass – Eric "BLB" Coomes Producer – DJ Quik Rap [Featuring] – DJ Quik

Backing Vocals – Jeymes Samuel Producer – Ayatollah

Keyboards – James Clark (7) Producer – J Dilla Rap [Featuring] – Res

Keyboards – James Poyser Producer – J Dilla Rap [Featuring] – Novel, Vinia Mojica Tap Dance [Taps] – Savion Glover

Producer – Kanye West

Producer – Dave West* Rap [Featuring] – Kendra Ross Saxophone – Teodross Avery