Credit

• Bass - Will.I.Am
• Concept By [Conceptual Design] - Will.I.Am
• Drum Programming - Will.I.Am
• Engineer - Will.I.Am
• Executive-Producer - Will.I.Am
• Producer - Will.I.Am
• Synthesizer [Moog] - Will.I.Am
• Vocals - Will.I.Am
• Mixed By - Tony Maserati (3, 7, 8, 13)
• Mastered By - Brian Gardner
• A&R - Venus Brown
• Mixed By - Serban Ghenea (5, 10 to 12, 15)
• Guitar - George Pajon Jr. (1 to 4, 8, 10, 13)
• Executive-Producer - Ron Fair
• Vocals - Apl.De.Ap
• Written-By - Allen Pineda
• Written-By - William Adams
• Coordinator [A&r] - Dante Santiago
• Mixed By - Mark "Spike" Stent
• Engineer - Neil Tucker (2, 8, 10, 11, 13)
• Engineer - Tal Herzberg (1, 2, 3, 9)
• Engineer - Jason "Ill-Aroma" Villaroman
• Vocals - Taboo (9) (1, 4, 7, 8, 11, 13, 15)
• Written-By - Stacy Ferguson (1 to 4, 8, 10, 15)
• Vocals - Fergie (2) (1, 3 to 5, 7, 8, 10, 11, 13, 15)
• Mastered By - Madeleine Smith
• Management - David Sonenberg
• Design [Cover & Logo] - Shepard Fairey
• A&R - Seth Friedman (2)
• Art Direction [Cover] - Seth Friedman (2)
• Management - Seth Friedman (2)
• Photography By - Albert Watson
• Management - Polo Molina
• Management [Production Coordinator] - Andrew Van Meter
• Management [Legal Representation] - Fred Davis (2)
• Management [Business Manager] - Sean Larkin (2)
• Management [Product Manager] - Julie Hovsepian
• Coordinator [A&r] - Justin Siegel
• Art Direction [Cover] - Mike Jurkovac
• Design [Booklet] - Dennis Gomez
• Design [Cover & Logo] - Florencio Zavala
• Art Direction [Booklet], Photography By [Booklet Photography] - Edward Martinez