Arranged By [Strings], Conductor [Strings] – Larry GoldBacking Vocals – Cindy Mizelle, Evan RogersCello – James Cooper, III*, Jennie LorenzoCoordinator [Production Coordination] – Andrea DerbyDrum Programming, Keyboards – Carl SturkenDrums – Steve FerreraEngineer – Al Hemberger, J.D. Andrew, Rich BalmerEngineer [Assistant] – Dan Bucchi, Jun IshizekiEngineer [Strings, Assistant] – Gordon GossEngineer [Strings] – Jeff ChestekMixed By – Tony MaseratiMixed By [Assistant] – Brendan Kuntz, Matt SnedecorProducer – Carl Sturken, Evan RogersViola – Alexandra Leem, Peter Nocella*Violin – Charlene Kwas, Charles Parker, Jr.*, Emma Kummrow, Gregory Teperman, Igor SzwecWritten-By – Carl Sturken, Evan Rogers, Kelly Clarkson

Arranged By, Programmed By – Rhett LawrenceBacking Vocals – Kelly Clarkson, Suzie BensonDrums – Steve FerreraEngineer [Pro Tools] – Andy Zulla, Jim Watts, Olle Romo, Rhett Lawrence, Steve McMillan*Guitar – Olle Romo, Rhett LawrenceMixed By – Dave Pensado, Rhett Lawrence, Steve McMillan*Producer – Rhett LawrenceScratches – Rhett Lawrence, Wayne RodriguesWritten-By – Christina Aguilera, Kelly Clarkson, Rhett Lawrence

Acoustic Guitar, Bass, Electric Guitar, Keyboards, Piano, Programmed By – Clif MagnessArranged By, Engineer, Producer – Clif MagnessBacking Vocals – Danielle BriseboisDrums – Josh FreeseEngineer [Assistant] – Cesar Ramirez , Kevin HarpMixed By – Bob ClearmountainWritten-By – Jimmy Harry

Arranged By, Programmed By – Rhett LawrenceBacking Vocals – Kelly Clarkson, Sharlotte Gibson, Sheree Ford*Bass – Tommy SimsDrums – Steve FerreraEngineer [Pro Tools] – Andy Zulla, Jim Watts, Olle Romo, Rhett Lawrence, Steve McMillan*Guitar – Tim PierceMixed By – Tony MaseratiOrgan – Kenneth CrouchProducer – Rhett Lawrence, Steve FerreraWritten-By – Diane Warren

Arranged By [Strings], Conductor [Strings] – Larry GoldBacking Vocals – Kelly Clarkson, Lorenza StopponiCello – James Cooper, III*Coordinator [Production Coordination] – Andrea DerbyDrum Programming, Guitar, Keyboards – Carl SturkenEngineer – Al HembergerEngineer [Strings, Assistant] – Vincent DilorenzoEngineer [Strings] – Jeffrey Chestek*Mixed By – Tony MaseratiMixed By [Assistant] – Jim Briggs, Matt Snedecor, Pat WoodwardProducer – Carl Sturken, Evan RogersViola – Daniela Pierson, David YangViolin – Emma Kummrow, Ghislaine Fleishman*, Gloria Justen, Igor SzwecWritten-By – Carl Sturken, Evan Rogers, Stephanie Saraco

Acoustic Guitar, Bass, Electric Guitar, Keyboards, Piano, Programmed By – Clif MagnessArranged By, Engineer, Producer – Clif MagnessBacking Vocals – Danielle BriseboisDrums – Josh FreeseEngineer [Assistant] – Cesar Ramirez , Kevin HarpMixed By – Bob ClearmountainWritten-By – Carl Sturken, Danielle Brisebois

Backing Vocals – Rebekah Jordan*Bass – Mike ElizondoDrums – Abe Laboriel Jr*Engineer – Csaba PetoczEngineer [2nd] – Quentin DunnGuitar – James HurrahGuitar, Piano, Programmed By – Matthew WilderMixed By – Mike ShipleyProducer – Matthew WilderWritten-By – Matthew Wilder, Rebekah Jordan*

Bass – Reggie HamiltonCoordinator [Production Coordination] – Jolie Levine-Aller*Drums – Teddy CampbellEdited By [Vocals] – Dabling HarwardEngineer [Assistant] – Joel Sheppard, Kevin MahoneyFeaturing [Vocals] – Tamyra GrayGuitar – Corky JamesMixed By – Dave "Natural Love" Russell*Music By [All], Producer – Face*, The UnderdogsRecorded By – Dave "Natural Love" Russell*, Paul "Chez Peezy" Boutin*Written-By – Damon Thomas, Harvey Mason, Jr.*, Kelly Clarkson, Kenneth Edmonds, Tamyra Gray

Bass – Reggie HamiltonCoordinator [Production Coordination] – Jolie Levine-Aller*Edited By [Vocals] – Dabling HarwardEngineer [Assistant] – Joel Sheppard, Kevin MahoneyMixed By – Dave "Natural Love" Russell*Music By [All], Producer – Face*, The UnderdogsRecorded By – Dave "Natural Love" Russell*, Paul "Chez Peezy" Boutin*Written-By – Damon Thomas, Harvey Mason, Jr.*, Kelly Clarkson, Kenneth Edmonds

Arranged By, Producer – Louis Biancaniello, Sam WattersBacking Vocals – Conesha Owens, Mary Griffin, Sam WattersEngineer – Louis Biancaniello, Sam Watters, Sean TallmanGuitar – Chris CamozziKeyboards, Programmed By – Louis BiancanielloMixed By – Louis BiancanielloWritten-By – Louis Biancaniello, Sam Watters

Arranged By [Strings] – Dave ArchBacking Vocals – Debra Byrd, Gina Taylor-Pickens*, Kelly Clarkson, Leslie SmithBass – Steve PearceDrums, Percussion – Steve FerreraEngineer – Andy Zulla, Chris Laws, Matt Howe, Robin SellarsEngineer [Assistant] – Daniel PurseyGuitar – Fridrik "Frizzy" Karlsson*, Pathik Desai, Paul GendlerKeyboards – Steve Mac Mixed By – Andy Zulla, Steve FerreraOrgan – Jeremy "Lester" Ruzumma*Producer – Steve Ferrera, Steve Mac Written-By – John Reid*, Jörgen Elofsson

Arranged By – Doug EmeryArranged By [Backing Vocals] – Chris WillisArranged By [Strings & French Horn], Conductor [Strings & French Horn] – David CampbellBacking Vocals – Aisha Wright , Betty Wright, Chris Willis, Jeanette WrightBass – Randy Jackson Cello – Dan Smith*, Larry CorbettConcertmaster – Joel DerouinDrums – Lee LevinEngineer [2nd] – Conrad Golding, Cosbie Cates, Greg Landon, Jeff Kanan, Jimmy Hoyson, Marcelo MarulandaFrench Horn – Rick Todd*Guitar – Dan WarnerKeyboards, Programmed By – Doug EmeryManagement [Orchestra] – Suzie KatayamaMixed By – Carlos AlvarezMusical Assistance – Bettie Ross-Blumer*Piano [Acoustic] – Jim GasiorProducer – Cathy Dennis, Desmond ChildProduction Manager – Brian Coleman Recorded By – Carlos Alvarez, Craig Lozowick, Jules Gondar, Steve ChurchyardRecorded By [Additional] – Andy Zulla, Conrad Golding, Dino Herrmann, Doug Emery, Lee LevinViola – Darrin McCann, Bob Becker*Violin – Berj Garabedian, Bruce Dukov, Charlie Bisharat, John Wittenberg, Ken Yerke*, Michele Richards, Peter Kent Written-By – Cathy Dennis, Desmond Child, Gary Burr