Elephunk

Written-By – Billy May, Jean Baptiste

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

Backing Vocals – Noelle ScaggsDrums, Written-By – Terence YoshiakiEngineer [Vocals] – Dylan Dresdow

Synthesizer [Wurlitzer] – Will.I.Am*Vocals – Tippa IrieWritten-By – Anthony Henry

Engineer [Additional], Engineer [Pro Tools] – Tal HerzbergGuitar – Ray BradyProducer [Additional Vocals] – Ron Fair

Backing Vocals – Noelle Scaggs, Terry DexterTrombone – Elizabeth Ann Lea

Congas, Shaker – Davey ChegwiddenDrums – Terence YoshiakiGuitar [Guitarron] – Mike FratantunoPercussion – Chuck PradaPiano – Ron FairSaxophone, Flute – Tim "Izo" OrindgreffTrumpet – Printz BoardVocals – Dante SantiagoVocals, Written-By – Debbie Nova*

Piano – Sergio Mendez*Written-By – Antonio Carlos Jobim, Vinicius De Moraes

Guitar, Written-By – Ray BradyWritten-By – Stacy Ferguson

Engineer – Jun IshizekiSynthesizer, Mixed By – Will.I.Am*Vocals, Written-By – John Stephens

Engineer – Jason VillaromanProducer, Drum Programming – Apl.De.Ap*

Bass, Guitar – Tobin*Clavinet – Will.I.Am*Drums – Dave BucknerMixed By – Chris Lord Alge*Vocals – Jacoby ShaddixWritten-By – Papa Roach

Clavinet – Printz Board, Will.I.Am*Double Bass [Upright], Acoustic Guitar – Mike FratantunoEngineer [Additional], Engineer [Pro Tools] – Tal HerzbergProducer, Arranged By [Strings], Conductor [Strings] – Ron FairRecorded By [Strings] – Frank WolfSynthesizer [Moog], Written-By – Printz BoardVocals – Allan Pineda, Jamie Gomez*Vocals, Written-By – Justin Timberlake