Artist: The Black Eyed Peas - Producer: will.i.am - Engineer: will.i.am - Engineer: Dylan "3-D" Dresdow - Mixer: Tony Maserati - Vocals: will.i.am - Vocals: Taboo - Vocals: apl.de.ap - Vocals: Fergie - Background Vocalist: Noelle Scaggs - Background Vocalist: Dante Santiago - Guitar: George Pajon Jr. - Bass Guitar: Michael Fratantuno - Drums: Terence Yoshiaka