Black Eyed Peas – Elephunk

Backing Vocals – Dante Santiago
Bass – Mike Fratantuno
Drum Programming, Synthesizer [Moog] – Will I Am
Guitar – George Pajon Jr.
Vocals – Apl. De Ap
Vocals – Taboo (9)
Vocals – Fergie (2)
Written-By – Jaime Gomez
Written-By – Allan Pineda
Written-By – George Pajon Jr.
Written-By – Jean Baptiste (2)
Written-By – Billy May
Written-By – Mike Fratantuno

Drums, Piano – Will I Am
Horns – Tim "Izo" Orindgreff
Horns – Printz Board
Vocals – Apl. De Ap
Vocals – Taboo (9)
Vocals – Fergie (2)
Written-By – Allan Pineda
Written-By – Bootsy Collins
Written-By – Darryl Hassan Jamison
Written-By – Johnny Griggs
Written-By – James Brown
Written-By – Thomas Van Musser
Written-By – Robert Chopper McCollough
Written-By – Frank Waddy
Written-By – Clyde Stubblefield
Written-By – Catfish Collins
Written-By – Clayton Gunnells

Backing Vocals – Dante Santiago
Backing Vocals – Noelle Scaggs
Bass, Written-By – Mike Fratantuno
Drums, Written-By – Terence Yoshiaki
Engineer [Vocals] – Dylan Dresdow
Guitar – George Pajon Jr.
Vocals – Apl. De Ap
Vocals – Taboo (9)
Vocals – Fergie (2)
Written-By – Jaime Gomez
Written-By – Allan Pineda
Written-By – George Pajon Jr.

Backing Vocals – Dante Santiago
Synthesizer [Wurlitzer], Drum Programming, Synthesizer [Moog] – Will I Am
Vocals – Tippa Irie
Vocals – Fergie (2)
Written-By – Anthony Henry

Engineer [Additional], Engineer [Pro Tools] – Tal Herzberg
Guitar – Ray Brady
Guitar – George Pajon Jr.
Guitar, Written-By – J. Curtis
Producer [Additional Vocals] – Ron Fair
Synthesizer [Moog] – Will I Am
Vocals – Apl. De Ap
Vocals – Taboo (9)
Vocals – Fergie (2)
Written-By – Jaime Gomez
Written-By – George Pajon Jr.

Backing Vocals – Dante Santiago
Backing Vocals – Noelle Scaggs
Backing Vocals – Terry Dexter
Bass, Written-By – Mike Fratantuno
Drum Programming – Will I Am
Guitar – George Pajon Jr.
Trombone – Elizabeth Ann Lea
Vocals – Apl. De Ap
Vocals – Taboo (9)
Written-By – Allan Pineda
Written-By – George Pajon Jr.

Congas, Shaker – Davey Chegwidden
Drum Programming – Will I Am
Drums – Terence Yoshiaki
Guitar – George Pajon Jr.
Guitar [Guitarron] – Mike Fratantuno
Guitar, Written-By – J. Curtis
Percussion – Chuck Prada
Piano – Ron Fair
Saxophone, Flute – Tim "Izo" Orindgreff
Trumpet – Printz Board
Vocals – Apl. De Ap
Vocals – Dante Santiago
Vocals – Taboo (9)
Vocals, Written-By – Debi Nova
Written-By – Jaime Gomez
Written-By – Allan Pineda
Written-By – George Pajon Jr.

Drum Programming, Synthesizer [Moog] – Will I Am
Guitar – George Pajon Jr.
Piano – Sérgio Mendes
Vocals – Fergie (2)
Written-By – Antonio Carlos Jobim
Written-By – Vinicius De Moraes

Drum Programming – Will I Am
Guitar, Written-By – Ray Brady
Vocals – Fergie (2)
Written-By – Stacy Ferguson

Backing Vocals – Dante Santiago
Engineer – Jun Ishizeki
Guitar – George Pajon Jr.
Synthesizer, Mixed By, Drum Programming – Will I Am
Vocals – Fergie (2)
Vocals, Written-By – John Stephens (3)
Written-By – Thomas Van Musser

Engineer – Jason Villaroman
Guitar – J. Curtis
Producer – Apl. De Ap
Synthesizer [Moog] – Will I Am
Vocals – Apl. De Ap
Vocals – Fergie (2)
Written-By – Allan Pineda

Bass, Guitar – Tobin J Esperance
Clavinet – Will I Am
Drums – Dave Buckner
Featuring – Papa Roach
Mixed By – Chris Lord-Alge
Vocals – Apl. De Ap
Vocals – Jacoby Shaddix
Written-By – Allan Pineda
Written-By – Papa Roach

Bass, Written-By – Mike Fratantuno
Clavinet – Printz Board
Clavinet, Synthesizer [Moog] – Will I Am
Double Bass [Upright], Acoustic Guitar – Mike Fratantuno
Engineer [Additional], Engineer [Pro Tools] – Tal Herzberg
Guitar – George Pajon Jr.
Guitar, Written-By – J. Curtis
Producer, Arranged By [Strings], Conductor [Strings] – Ron Fair
Recorded By [Strings] – Frank Wolf
Synthesizer [Moog], Written-By – Printz Board
Vocals – Jaime Gomez
Vocals – Allan Pineda
Vocals – Fergie (2)
Vocals [Featuring], Written-By – Justin Timberlake
Written-By – Jaime Gomez
Written-By – Allan Pineda
Written-By – George Pajon Jr.

Bass – Mike Fratantuno
Mixed By, Engineer, Producer – Will Adams
Percussion – Chuck Prada
Vocals – Fergie (2)
Written-By – Mike Fratantuno