Christina Aguilera - Christina Aguilera

Backing Vocals – Shelly PeikenEngineer – Mario LuccyGuitar – Bruce Watson, John GouxMixed By – Dave WayMixed By [Assistant] – Michael HuffProducer, Arranged By, Programmed By – Guy RocheTambourine – Matt Laug

Acoustic Guitar – Tim PierceBacking Vocals – Sue Ann CarwellElectric Guitar – Michael Landau, Michael ThompsonEngineer – Mario LuccyExecutive-Producer – Diane WarrenMixed By – Mick GuzauskiProducer, Arranged By, Keyboards, Programmed By – Guy RocheSynthesizer [Moog] – John Glaser

Engineer – Doc Little, Mike HatzingerGuitar – Anthony MazzaMixed By – Rob ChiarelliMixed By [Assistant] – Michael HuffProducer, Engineer, Programmed By – Ron Harris

Mixed By – Peter MokranMixed By [Assistant] – Tony FloresProducer, Engineer, Programmed By – Johan Aberg*Producer, Programmed By, Keyboards – Paul ReinProducer, Recorded By [Vocal] – Aaron Zigman

Arranged By [Orchestra] – Aaron ZigmanConductor – Jerry GoldsmithMixed By – Peter MokranMixed By [Assistant] – Tony FloresProducer, Arranged By – Matthew WilderRecorded By – Phil Kaffel

Backing Vocals – Evan RogersMixed By – Peter MokranMixed By [Assistant] – Tony FloresProducer – Carl Sturken, Evan RogersRecorded By – Al Hemberger

Co-producer – Doreen DorianEngineer – Mario LuccyEngineer, Guitar – Ali BoudrisExecutive-Producer – Diane WarrenMixed By – Dave “Hard Drive” Pensado*Mixed By [Assistant] – Jeff Griffin*Producer, Arranged By, Programmed By – Khris Kellow

Edited By – Bill MalinaMixed By – Dave “Hard Drive” Pensado*Mixed By [Assistant] – Jeff Griffin*Producer, Mixed By, Drums, Keyboards, Bass Guitar – Robin ThickeProducer, Mixed By, Drums, Keyboards, Guitar [Bass] – Pro J

Arranged By [Vocal] – Brock Walsh, Sheree Ford-Payne*Engineer – Dan GarciaEngineer [Assistant] – Joe Brown (2)Mixed By – Peter MokranMixed By [Assistant] – Tony FloresProducer, Arranged By [Vocal] – Travon Potts

Backing Vocals – Evan RogersMixed By – Peter MokranMixed By [Assistant] – Tony FloresProducer – Carl Sturken, Evan RogersRecorded By – Al Hemberger

Arranged By – Steve PorcaroEngineer [Assistant] – Terri WongMixed By – Tommy VicariMixed By [Assistant] – Tim LauberPiano – Heather HolleyProducer, Engineer, Programmed By – Rob Hoffman