Produced By
Danja Mowf
I.Am Will (executive)
Noize Trip

Featuring
Alan Grunfeld on violin
apl.de.ap on strings, vocals, clavinet, drum programming
Branford Marsalis on saxophone
Brian Dembow on viola
Bruce Dukov on violin
Cecilia Tsan on cello
Chaos on bass, drum programming
Charlie Baccarat on violin (electric)
Charlie Bisharat on violin
Cynthia Morey on vocals (background)
Damon Wood on guitar
Dante Santiago on vocals (background)
David Low on cello
Endre Granat on violin
Fergie on vocals
I.Am Will on organ, synthesizer, bass, vocals, moog synthesizer, drum programming, fender rhodes, clavinet, organ (hammond)
Jack Johnson on guitar
Jacqueline Brand on violin
James H. Brown on vocals
Jeff Watkins on saxophone
Jimmy Limon on organ, percussion, guitar, bass, drum programming, clavinet
Joel Derouin on violin
Josephina Vergara on violin
Julie Gigante on violin
Justin Timberlake on vocals
Katia Popov on violin
Keith Harris on percussion, drums, keyboards
Kevin "Phantom" Rudolf on guitar
Mario de Leon on violin
Matt Funes on viola
Mike Fratantuno on bass
Mino Cinelu on percussion
Natalie Leggett on violin
Phillipe Levy on violin
Ray Brady on guitar
Rene Mandel on violin
Robert "Dandy" Thompson on organ, drums, drum programming, bass, clavinet
Roberto Cani on violin
Sarah Thornblade on violin
Sheila Wheat on vocals (background)
Sid Page on violin
Simon Oswell on viola
Songa Lee on violin
Stephen Erdody on cello
Sting on bass, vocals
Suzie Katayama on cello
Tim Izo Orindgreff on flute, saxophone
Tippa Irie on vocals (background)
Vicki Miskolczy on viola

Engineered By
Chaos
Dylan Dresdow
Ethan Willoughby
I.Am Will
Jason Villaroman
Marcella Araica (assistant)
Neil Tucker
Tal Herzberg
Ted Howard

Featuring
Chris Clancy on marketing
Chuck Prada on percussion
Dante Santiago on vocals (background)
Dave Buckner on drums
Dave Chegwidden on conga, shaker
Debbie Nova on vocals
Elizabeth Lea on trombone
Fred Davis on legal advisor
George Pajon on guitar
J. Curtis on guitar
Jacoby Shaddix on vocals
Justin Timberlake on vocals
Keith Harris on drums
Mike Fratantuno on guitar (acoustic), bass, guitarron, bass (upright)
Noelle Scaggs on vocals (background)
Ray Brady on guitar
Sergio Mendez on piano
Taboo on vocals
Terence Yoshiaka on drums
Terry Dexter on vocals (background)
Tim Izo Orindgreff on flute, saxophone, horn
Tippa Irie on vocals
Tobin on bass, guitar

Engineered By
Christine Sirois (assistant)
Dylan Dresdow
Frank Wolf
Jason Villaroman
Jun Ishizeki
Tal Herzberg

Produced By
Ian Alexander (executive)
Rhett Lawrence
Will Adams
Wyclef Jean

Featuring
Kim Hill on vocals
Printz Board on bass, trumpet, keyboards
Roberto Cani on strings
Susan Chatman on strings, horn section
Suzanna Giordono on strings
Wyclef Jean on guitar

Featuring
Brian Lapin on bass, fender rhodes, organ (hammond), moog synthesizer
Carlos Guaico on bass, fender rhodes
Darell Cross on drums
Dawn Beckman on vocals
Einstein Brown on vocals
Gretchen Anderson on project coordinator
Ingrid Dupree on vocals
J. Curtis on guitar
Kevin Feyen on guitar
Kim Hill on vocals
Macy Gray on vocals
Matt Nabours on violin
Mike Fratantuno on bass, guitar
Miles Om Tackett on bass, cello
Paul Poli on turntables
Peter Kim on bass
Planet Swan on vocals
Ramy Antoun on conga
Sierra Swan on vocals
Terence Yoshiaka on percussion, drums
The Motives on turntables
Tommy O. on flute
Will Adams on marimba, theremin, organ (hammond), moog synthesizer, fender rhodes