Drum Programming, Synthesizer [Moog] – Will.I.Am*Engineer [Assistant] – Christine SiroisWritten-By – Billy May, George Pajon, Jr.*, Michael Fratantuno*

Drums, Piano – Will.I.Am*Horns – Printz Board, Tim Izo Orindgreff*Written-By – Phelps Catfish Collins*, Clayton Gunnels*, Clyde Stubblefield, Darrel Jamison*, Frank Clifford Waddy*, James Brown, John Griggs*, Robert McCullough*, Thomas Van Musser, William Earl Collins

Backing Vocals – Noelle ScaggsDrums – Terence YoshiakiEngineer [Vocals] – Dylan DresdowWritten-By – George Pajon, Jr.*, Mike Fratantuno, Terence Yoshiaki

Drum Programming, Organ [Wurlitzer], Synthesizer [Moog] – Will.I.Am*Vocals [Additional] – Tippa IrieWritten-By – Anthony Henry

Drum Programming, Synthesizer [Moog] – Will.I.Am*Engineer [Additional & Pro Tools] – Tal HerzbergEngineer [Assistant] – Christine SiroisGuitar – Ray BradyProducer [Additional Vocal Production] – Ron FairWritten-By – George Pajon, Jr.*, J. Curtis

Backing Vocals – Noelle Scaggs, Terry DexterDrum Programming – Will.I.Am*Engineer [Assistant] – Christine SiroisTrombone – Elizabeth Ann LeaWritten-By – George Pajon, Jr.*, Mike Fratantuno

Congas – Davey ChegwiddenDrum Programming – Will I AmDrums – Terence YoshiakiEngineer [Assistant] – Christine SiroisFlute, Saxophone – Tim Izo Orindgreff*Percussion – Chuck PradaPiano – Ron FairTrumpet – Printz BoardVocals [Additional] – Dante Santiago, Debbie Nova*Written-By – Debbie Nova*, George Pajon, Jr.*, J. Curtis

Drum Programming, Synthesizer [Moog] – Will.I.Am*Piano – Sergio Mendez*Written-By – Antonio Carlos Jobim, Vinicius De Moraes

Drum Programming, Synthesizer [Moog] – Will.I.Am*Guitar – Ray BradyWritten-By – Ray Brady, Stacey Ferguson*

Drum Programming, Synthesizer, Mixed By, Synthesizer [Moog] – Will.I.Am*Engineer – Jun IshizekiVocals [Additional] – John Stephens Written-By – John Stephens , Thomas Van Musser, Will.I.Am*

Drum Programming, Producer – Apl.De.Ap*Engineer – Jason VillaromanSynthesizer [Moog] – Will.I.Am*

Bass, Guitar – Tobin*Clavinet – Will.I.Am*Drums – Dave BucknerMixed By – Chris Lord Alge*Performer [With], Written-By – Papa RoachVocals [Additional] – Jacoby Shaddix

Acoustic Guitar, Double Bass [Upright Bass] – Mike FratantunoArranged By [Strings], Conductor, Producer – Ron FairClavinet, Synthesizer [Moog] – Printz Board, Will.I.Am*Engineer [Additional & Pro Tools] – Tal HerzbergEngineer [Assistant] – Christine SiroisRap – Allen Pineda*, Jamie Gomez*Recorded By [Strings] – Frank WolfVocals [With] – Justin TimberlakeWritten-By – George Pajon Jr., J. Curtis, Justin Timberlake, Michael Fratantuno*, Printz Board

Engineer, Mixed By, Producer – Will AdamsPercussion – Chuck Prada