Acoustic Guitar, Double Bass [Upright Bass] – Mike FratantunoArranged By [Strings], Conductor, Producer – Ron FairClavinet, Synthesizer [Moog] – Printz Board, Will.I.AmEngineer [Additional & Pro Tools] – Tal HerzbergEngineer [Assistant] – Christine SiroisRap – Allen Pineda, Jamie GomezRecorded By [Strings] – Frank WolfVocals [With] – Justin TimberlakeWritten-By – George Pajon Jr., J. Curtis, Justin Timberlake, Michael Fratantuno, Printz Board
4:46
2
Sexy
Drum Programming, Synthesizer [Moog] – Will.I.AmPiano – Sergio MendezWritten-By – Antonio Carlos Jobim, Vinicius De Moraes
4:43
3
Third Eye
Engineer, Mixed By, Producer – Will AdamsPercussion – Chuck Prada
3:42
4
Shut Up
Drum Programming, Synthesizer [Moog] – Will.I.AmEngineer [Additional & Pro Tools] – Tal HerzbergEngineer [Assistant] – Christine SiroisGuitar – Ray BradyProducer [Additional Vocal Production] – Ron FairWritten-By – George Pajon, Jr., J. Curtis
4:56
5
Anxiety
Bass, Guitar – TobinClavinet – Will.I.AmDrums – Dave BucknerMixed By – Chris Lord AlgePerformer [With], Written-By – Papa RoachVocals [Additional] – Jacoby Shaddix
Drum Programming, Synthesizer [Moog] – Will.I.AmGuitar – Ray BradyWritten-By – Ray Brady, Stacey Ferguson
3:35
8
Latin Girls
Congas – Davey ChegwiddenDrum Programming – Will I AmDrums – Terence YoshiakiEngineer [Assistant] – Christine SiroisFlute, Saxophone – Tim Izo OrindgreffPercussion – Chuck PradaPiano – Ron FairTrumpet – Printz BoardVocals [Additional] – Dante Santiago, Debbie NovaWritten-By – Debbie Nova, George Pajon, Jr., J. Curtis
6:17
9
Smells Like Funk
Backing Vocals – Noelle Scaggs, Terry DexterDrum Programming – Will.I.AmEngineer [Assistant] – Christine SiroisTrombone – Elizabeth Ann LeaWritten-By – George Pajon, Jr., Mike Fratantuno
5:04
10
Hands Up
Drum Programming, Synthesizer [Moog] – Will.I.AmEngineer [Assistant] – Christine SiroisWritten-By – Billy May, George Pajon, Jr., Michael Fratantuno
3:35
11
Let's Get Retarded
Backing Vocals – Noelle ScaggsDrums – Terence YoshiakiEngineer [Vocals] – Dylan DresdowWritten-By – George Pajon, Jr., Mike Fratantuno, Terence Yoshiaki
3:35
12
Hey Mama
Drum Programming, Organ [Wurlitzer], Synthesizer [Moog] – Will.I.AmVocals [Additional] – Tippa IrieWritten-By – Anthony Henry
3:34
13
The Boogie That Be
Drum Programming, Synthesizer, Mixed By, Synthesizer [Moog] – Will.I.AmEngineer – Jun IshizekiVocals [Additional] – John Stephens Written-By – John Stephens , Thomas Van Musser, Will.I.Am
5:12
14
Labor Day (It's A Holiday)
Drums, Piano – Will.I.AmHorns – Printz Board, Tim Izo OrindgreffWritten-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
Bass – Mike Fratantuno (tracks: 1 to 3, 6, 13, 14)
Engineer – Dylan Dresdow (tracks: 1, 5 to 7, 13), Will.I.Am (tracks: 2 to 4, 8, 9, 12, 14)
Executive-Producer – Ron Fair, Will.I.Am
Guitar – George Pajon Jr. (tracks: 1, 3, 5 to 8, 10, 13), J. Curtis (tracks: 5, 7, 11, 13)
Mastered By – Brian "Big Bass" Gardner
Mixed By – Tony Maserati (tracks: 1 to 9, 11, 13)
Photography By – Markus Klinko & Indrani
Producer – Will.I.Am
Rap, Vocals – Apl.De.Ap (tracks: 1 to 3, 5 to 7, 11, 12), Fergie (tracks: 1 to 5, 8 to 11, 13, 14), Taboo (tracks: 1 to 3, 5 to 7), Will.I.Am (tracks: 1 to 10, 12 to 14)
Written-By – Allan Pineda (tracks: 1 to 3, 6, 7, 11 to 13), Jaime Gomez (tracks: 1, 3, 5, 7, 13), Will Adams (tracks: 1 to 9, 11 to 14)
Notes
Track 14 is a bonus track. "Shut Up" contains a short vocal sample from "Tough" by Kurtis Blow.