Black Eyed Peas – Monkey Business

Mixed By – Mark Stent
Synthesizer [Moog] – Will I Am
Written-By – Thomas Van Musser
Written-By – Nicholas Roubanis

Arranged By [String Arrangement] – Ron Fair
Mixed By – Mark Stent
Programmed By [Pro Tools] – Tal Herzberg
Strings [Mellotron] – Printz Board
Violin [Electric] – Charlie Baccarat
Written-By – Full Force
Written-By – George Pajon Jr.
Written-By – Kalyanji-Anandji
Written-By – Indivar
Written-By – Printz Board

Co-producer – Danja
Edited By [Protool], Engineer [Assistant] – Marcella Araica
Engineer – Demacio "Demo" Castellon
Guitar – Kevin Rudolf
Performer [All Instruments Except Guitar], Producer, Rap [Ad-libs] – Timbaland
Scratches [Dj Scratching] – Venus Brown
Vocals [Pheaturing] – Justin Timberlake
Written-By – Timothy Mosley
Written-By – Justin Timberlake
Written-By – Thomas Van Musser
Written-By – Nate Hills

Guitar – Ray Brady
Mixed By – Mark Stent
Producer [Additional], Harmonica – Ron Fair
Programmed By [Pro Tools] – Tal Herzberg
Written-By – Ricky Walters
Written-By – Chris Peters
Written-By – Drew Peters

Clavinet, Organ – Will I Am
Written-By – David Payton

Engineer – Ethan Willoughby
Engineer – Osinachi Nwaneri
Engineer – Ted Howard
Mixed By – Ethan Willoughby
Performer [All Instruments] – Will I Am
Rap [Featuring] – Q-Tip
Rap [Featuring] – Cee-Lo
Rap [Featuring] – Talib Kweli
Vocals [Featuring] – John Legend
Written-By – Anthony Newley
Written-By – Kamaal Fareed
Written-By – Leslie Bricusse
Written-By – Talib Kweli Greene

Backing Vocals [Backgrounds] – Tippa Irie
Drums [Live], Keyboards – Keith Harris
Guitar – Ray Brady
Strings [Mellotron] – Printz Board
Strings [Mellotron] – Keith Harris
Synthesizer – Will I Am
Synthesizer [Moog] – Printz Board
Vocals [Pheaturing] – Dante Santiago
Written-By – Ray Brady
Written-By – Lloyd Ferguson
Written-By – Fitzroy Simpson
Written-By – George Bennett
Written-By – Printz Board
Written-By – Robbie Lyn
Written-By – Leroy Sibbles
Written-By – Jackie Mittoo
Written-By – Huford Brown

Backing Vocals – Dante Santiago
Bass, Drums, Strings [Mellotron], Synthesizer – Printz Board
Clavinet, Drum Programming, Producer, Strings – Apl. De Ap
Co-producer – Will I Am
Co-producer – Printz Board
Engineer [Vocals] – Dylan Dresdow
Percussion – Keith Harris
Piano [Rhodes] – Will I Am

Arranged By [Strings], Conductor [Strings] – Ron Fair
Cello – David Low
Cello – Cecilia Tsan
Cello – Steve Erdody
Cello – Suzie Katayama
Guitar, Vocals [Additional], Written-By – Jack Johnson
Mixed By – Jack Joseph Puig
Organ [Hammond] – Will I Am
Trumpet – Printz Board
Viola – Matt Funes
Viola – Brian Dembow
Viola – Vicki Miskolczy
Viola – Simon Oswell
Violin – Alan Grunfeld
Violin – Bruce Dukov
Violin – Endre Granat
Violin – Joel Derouin
Violin – Mario DeLeon
Violin – Tamara Hatwan
Violin – Sid Page
Violin – Songa Lee
Violin – Katia Popov
Violin – Natalie Leggett
Violin – Phillip Levy
Violin – Jackie Brand
Violin – Josefina Vergara
Violin – Julie Gigante
Violin – Roberto Cani
Violin – Charlie Bisharat
Violin – Rene Mandel
Violin – Sarah Thornblade

Backing Vocals – The Bittersweets
Bass – Robert Thompson
Bass – Printz Board
Clavinet, Drum Programming, Drums, Organ – Robert Thompson
Guitar – Damon Woods
Keyboards [Ms2000], Piano [Rhodes], Synthesizer [Moog], Trumpet – Printz Board
Saxophone – Jeff Watkins
Vocals [Pheaturing] – James Brown
Written-By – Tim "Izo" Orindgreff
Written-By – James Brown
Written-By – Darryl Barnes
Written-By – Greg Mays
Written-By – Printz Board

Backing Vocals – Dante Santiago
Bass, Drum Programming, Engineer – Chaos (2)
Clavinet, Piano [Rhodes] – Will I Am
Guitar – Michael Matthews
Producer – Noize Trip
Trumpet – Printz Board
Written-By – Michael Matthews
Written-By – Anthony Tidd
Written-By – Melvin "Chaos" Lewis
Written-By – Jean Baptiste (2)

Bass, Clavinet, Drum Programming, Guitar, Organ, Percussion – Jimmy Limon
Synthesizer – Will I Am

Backing Vocals [Backgrounds] – Dante Santiago
Bass – Printz Board
Bass – Mike Fratantuno
Co-producer – Will I Am
Drum Programming, Keyboards [Mellotron], Producer, Synthesizer, Trumpet – Printz Board
Flute – Tim "Izo" Orindgreff
Written-By – Larry Blackmon
Written-By – Printz Board
Written-By – Tomi Jenkins

Mixed By, Synthesizer – Will I Am
Written-By – Keith Harris
Written-By – Rick James

Bass, Vocals [Pheaturing] – Sting
Drums – Will I Am
Drums – Manu Katché
Keyboards – Kenny Kirkland
Percussion – Mino Cinelu
Saxophone – Branford Marsalis
Written-By – George Pajon Jr.
Written-By – Sting

Written-By – Ray Brady
Written-By – Will I Am
Written-By – John Stephens (3)

Mixed By – Chris Holmes
Remix – Travis Barker

Engineer – Anthony Tidd
Engineer – Melvin "Chaos" Lewis
Remix, Producer – Noize Trip