Credits
Cee-Lo: Vocals
Jay-Z: Vocals
Outkast: Executive Producer
Ludacris: Vocals
Tori Alamaze: Backing Vocals
Joi: Vocals, Backing Vocals
Kelis: Vocals
Slimm Calhoun: Vocals
Norah Jones: Vocals
Martin Smith: Cello
Rosario Dawson: Vocals
Killer Mike: Vocals, Backing Vocals
Sleepy Brown: Vocals, Backing Vocals
Big Boi: Producer
Debra Killings: Bass, Backing Vocals
Jazze Pha: Vocals, Backing Vocals
Andre 3000: Producer
Big Gipp: Vocals, Backing Vocals
Cutmaster Swift: Producer, Cut
Marvin "Chanz" Parkman: Keyboards, Organ
Konkrete: Vocals
L.A. Reid: Executive Producer
Kevin Smith: Electric Bass
Mr. DJ: Producer
Carl Mo: Producer
Dexter Simmons: Mixing
Kevin Davis: Mixing
Tomi Martin: Guitar
Zaza: Guitar
Alex Reverberi: Assistant
Benjamin Wright: String Arrangement, String Conductor
Bernie Grundman: Mastering
Brian Gardner: Mastering
Greg Burns: Assistant
Jonathan Mannion: Photography
Pete Novak: Engineer, Mixing, Pre-Mixing
Aaron Mills: Bass
André Benjamin: Guitar, Programming, Acoustic Guitar, Keyboards
Antwan Patton: Programming, Keyboards, Vocals, Backing Vocals
Brian Paturalski: Engineer
Catherine Chan: Cello
Charles Veal: Violin, Concertmaster
Chris Carmouche: Assistant, Engineer
Chris Steffen: Assistant
Darrel Thorpe: Engineer
Darrell Thorp: Mixing
Darryl Otis Smith: Guitar
David Arenz: Strings
David Braitberg: Strings
David Whild: Guitar
Dojo5: Producer
Donald Whittemore: Assistant
Donnie Mathis: Guitar
East Side Boyz: Vocals
Eleanor Arnez: Strings
Gina Kronstadt: Violin
Greg Price: Assistant
Hornz Unlimited: Horn, Trumpet, Horn Arrangement
Jared Robbins: Assistant
Jeff Moses: Assistant
Jeffrey Schulz: Design, Artwork Direction
Jeminesse "Slimm Jim" Smith: Programming
Jim Sitterly: Violin
Joe Nitzberg: Creative Director
John Frisbee: Director
John Frye: Engineer, Mixing, Pre-Mixing
John Krovoza: Cello
Josh Monroy: Assistant
Kevin "KD" Davis: Mixing
Kevin Brandon: Double Bass
Kevin Kendricks: Guitar, Keyboards
Kevin O'Neal: Double Bass
King Stephen: Vocals
Lil Jon : Vocals
Lisa Chien: Cello
Louis Kabok: Violin
Malik Albert: Assistant
Marcy Vaj: Viola
Marianne Lee Stitt: Backing Vocals
Mark Cargill: Violin
Mark Casillas: Violin
Matt Still: Engineer
Michele Nardone: Viola
Mildryln "Big Gul" Andrews: Backing Vocals
Moffett Morris: Upright Bass
Moka Nagatani: Engineer
Myrna Crenshaw: Vocals, Backing Vocals
Neal H. Pogue: Mixing
Neil Pogue: Mixing
Padraic Kernin: Assistant, Engineer
Patrick Morgan: Viola
Rabeka Tuinei: Assistant
Rajinder Kala: Congas
Regina Davenport: A & R, Artist Coordination, Production Coordination
Reginald Dozier: Engineer, Mixing
Richard Adkins: Violin
Richard Keller: Strings, String Arrangement
Robert Hannon: Engineer
Robin Ross: Viola
Russell Buelna: Assistant
Sanford Salzinger: Strings
Terrence Cash: Engineer
Theresa Wilson: A & R
Tibor Zelig: Violin
Torkil Gudnason: Photography
Victor Alexander: Drums
Vincent Alexander: Assistant, Engineer
Warren Bletcher: Assistant
Yarda Kettner: Violin
Bonnie Hayes: Vocals
Mello : Vocals, Backing Vocals
Brian "Big Bass" Gardner: Mixing