Arranged By, Conductor – Don SebeskyBass – Chuck BerghoferCelesta – Mike WattsCello – Anne Karam, Cecilia Tsan, Earl Madison, Judy Johnson, Ray Kelley, Stefanie Fife, Steve Erdody, Tim LandauerContrabass – Norman Ludwin, Oscar Hidalgo, Sue RanneyDrums – Peter ErskineEngineer [Assistant] – Chris WonzerFrench Horn – Jerry Folsom, Joe Meyer, Marni JohnsonGuitar – John GouxPercussion – Larry BunkerPiano – Tom RainerProducer – Ron FairProgrammed By [Protools] – Tal HerzbergRecorded By, Mixed By – Michael C. RossViola – Carole Mukogawa, Jorge Moraga, Matt Funes, Mimi Granat, Ray Tischer, Renita Koven, Robin Ross , Scott HaupertViolin – Agnes Gottschewski, Armen Garabedian, Barbra Porter, Bob Sanov, Endre Granat, Frances Moore, Galina Golovin, Gary Kuo, Joel De Rouin, Johana Krejci, Kathy Lenski, Katia Popov, Kirsten Fife, Liane Mautner, Lily Ho Chen, Natalie Leggett, Joe KetendjianViolin [Concertmaster] – Assa DroriWoodwind – Dan Higgins, Don Shelton , Gary Foster , Gene Cipriano, Jack Nimitz, Sheridon StokesWritten-By – Hugh Martin, Ralph Blane

Arranged By [Vocal] – Christina AguileraBacking Vocals – MiariEngineer [Additional] – Michael C. RossEngineer [Assistant] – Chris WonzerMixed By – Dave "Hard Drive" PensadoProducer, Arranged By [Vocal], Recorded By [Vocals] – Ron FairProducer, Arranged By, Recorded By, Programmed By, Keyboards, Bass – The Matrix Programmed By [Protools] – Tal HerzbergWritten-By – Charlie Midnight, Christina Aguilera, Graham Edwards, Lauren Christy, Scott Spock

Producer, Arranged By, Mixed By – Bassy Bob BrockmannVocals – Christina Aguilera

Arranged By [Gospel Horns] – Jerry HeyArranged By, Conductor – Don SebeskyArranged By, Producer, Recorded By [Vocals] – Ron FairBass – Chuck BerghoferCelesta – Mike WattsCello – Anne Karam, Cecilia Tsan, Earl Madison, Judy Johnson, Ray Kelley, Stefanie Fife, Steve Erdody, Tim LandauerChoir – The LA Mass ChoirContrabass – Norman Ludwin, Oscar Hidalgo, Sue RanneyDrums – Vinnie ColaiutaEngineer [Assistant] – Chris WonzerFrench Horn – Jerry Folsom, Joe Meyer, John Lorge, Marni JohnsonGuitar – John GouxOrgan, Piano [Gospel] – Billy PrestonPercussion – Larry Bunker, Steve FormanPiano – Tom RainerProgrammed By [Protools] – Tal HerzbergRecorded By, Mixed By – Michael C. RossTrombone – Bill Reichenbach Trumpet – Gary Grant, Jerry HeyViola – Carole Mukogawa, Jorge Moraga, Matt Funes, Mimi Granat, Ray Tischer, Renita Koven, Robin Ross , Scott HaupertViolin – Agnes Gottschewski, Armen Garabedian, Barbra Porter, Bob Sanov, Endre Granat, Frances Moore, Galina Golovin, Gary Kuo, Joel De Rouin, Johana Krejci, Kathy Lenski, Katia Popov, Kirsten Fife, Liane Mautner, Lily Ho Chen, Natalie Leggett, Joe KetendjianViolin [Concertmaster] – Assa DroriWoodwind – Dan Higgins, Don Shelton , Gary Foster , Gene Cipriano, Jack Nimitz, Larry Williams, Sheridon StokesWritten-By – Traditional

Arranged By [Horns], Conductor – Sammy NesticoBass – Chuck BerghoferDrums – Harold JonesEngineer [Assistant] – Chris Wonzer, Howard KarpGuitar – John GouxPercussion – Steve FormanProducer, Arranged By, Celesta – Ron FairProgrammed By [Protools] – Tal HerzbergRecorded By – Michael C. RossSaxophone – Dan Higgins, Gene Cipriano, Pete Christalieb, Sal LozanoTrombone – Andy Martin, Phil TeeleTrumpet – Warren Luening, Wayne BergeronVocals [Guest], Piano – Dr. JohnWritten-By – Johnny Moore , Lou Baxter

Arranged By, Producer, Programmed By, Keyboards, Drums, Bass – Robbie BuchananArranged By, Producer, Recorded By [Vocals] – Ron FairBacking Vocals – E. Dawk, Kim JohnsonEngineer [Assistant] – Chris WonzerMixed By – Dave "Hard Drive" PensadoProgrammed By [Protools] – Tal HerzbergRecorded By – Michael C. Ross, Scott EricksonWritten-By – Diane Warren

Arranged By – Christina AguileraArranged By, Producer, Recorded By, Programmed By [Drums], Percussion – ChakDaddyArranged By, Producer, Recorded By, Programmed By, Percussion – Sol SurvivorArranged By, Producer, Recorded By, Programmed By, Percussion, Keyboards – E. DawkArranged By, Producer, Recorded By, Strings – Ron FairChoir – The LA Mass ChoirEngineer [Assistant] – Chris WonzerGuitar – Ashley IngramMixed By – Peter MokranOrgan – Myron McKinleyProgrammed By [Protools] – Tal HerzbergRecorded By – Brad Haehnel, Michael C. RossVocals [Guest] – Eric DawkinsWritten-By – Traditional

Arranged By [Vocal], Vocals – Christina AguileraArranged By, Producer, Recorded By, Celesta, Piano – Ron FairPercussion – Steve FormanPiano, Programmed By, Producer [Additional] – Robbie BuchananProgrammed By, Strings – Aaron ZigmanRecorded By – Michael C. RossWritten-By – Mel Torme, Robert Wells

Arranged By [Rhythm], Producer, Recorded By [Vocals] – Ron FairBacking Vocals – E. Dawk, Kim Johnson, Sue Anne Carwell, Toya SmithBass – Alex AlBells – Steve FormanDrums – Harvey MasonEngineer [Assistant] – Chris WonzerGuitar – John GouxMixed By – Peter MokranPercussion – Luis ConteProducer [Associate], Arranged By [Horns & Strings] – Jerry HeyProgrammed By [Protools] – Tal HerzbergRecorded By – Michael C. RossSaxophone – Dan HigginsSaxophone, Flute – Larry WilliamsStrings – Cecilia Tsan, Tina Soule, Henry Gronnier, Josefina Vergara, Julie Gigante, Karen Bakunin, Karen Jones , Terry Lesa, Marc Sazer, Margaret Wooten, Matthew Cooker, Natalie Leggett, Paula Hochhalter, Roger Wilkie, Susan Rishik, Tammy HatwanStrings [Concertmaster] – Ralph MorrisonTrombone – Bill Reichenbach Trumpet – Gary Grant, Jerry HeyWritten-By – Donny Hathaway, Nadine McKinnor

Arranged By [Vocal] – Christina AguileraProducer, Arranged By, Mixed By, Keyboards – Ron FairProducer, Arranged By, Mixed By, Programmed By – ThunderpussRecorded By – Barry Harris, Chris CoxRecorded By [Vocals] – Michael C. RossWritten-By – Mel Torme, Robert Wells

Backing Vocals – Christina Aguilera, Kim JohnsonCello – Steve ErdodyEngineer [Assistant] – Chris WonzerKeyboards – Alex AlessandroniMixed By – Dave "Hard Drive" PensadoProducer, Arranged By, Backing Vocals – E. DawkProducer, Arranged By, Programmed By [Additional] – ChakDaddyProducer, Arranged By, Recorded By [Additional], Conductor – Ron FairProducer, Arranged By, Recorded By, Programmed By [Drums], Programmed By [Additional] – Sol SurvivorProgrammed By [Protools] – Tal HerzbergProgrammed By, Keyboards – Babyboy Recorded By – Brad HaehnelRecorded By [Vocals] – Michael C. RossViola – Roland KatoViolin – Endre Granat, Natalie LeggettWritten-By – Alex Alessandroni, Chaka Blackmon, Ray Cham, Ron Fair, Steven Brown