Clavinet, Piano [Rhodes], Written-By – Alicia Keys

Horns – David Watson*, Joe Romano Performer [Instruments] – Kerry BrothersWritten-By – Alicia Keys, Kerry Brothers Jr.*, Taneisha Smith

Backing Vocals – Denise Stoudmire, Jessica WilsonOther [Production Coordinator] – Michael Evans, William E. Pettaway, Jr.Producer – TimbalandRecorded By – Walter Millsap IIIRecorded By [Assistant] – Dan GautreauWritten-By – Alicia Keys, Candice Nelson, Erika Rose, T. Mosley*, Walter Millsap III

Bass, Sitar – Dwayne WigginsMixed By – Pat VialaProducer – Dwayne Wiggins, Easy Mo BeeProgrammed By [Digital] – Easy Mo BeeWritten-By – Clarence McMurray, Gloria Jones, Pam Sawyer

Arranged By [Strings], Conductor – Ray ChewBacking Vocals – Harold Lilly, John LegendBass – Artie ReynoldsCello – Caryl Paisner, Eileen FolsonGuitar – Sharief HobleyOther [Copyist] – Al SchoonmakerProducer – Kanye WestViola – Barry Finclair, Maxine Roach, Richard Brice, Robert ChausowViolin – Alexander Vselensky, Avril Brown, Kurt Briggs, Lori Miller, Marion Pinheiro, Sanford Allen, Stanley Hunte, Xin ZhaoWritten-By – Alicia Keys, Harold Lilly, J.R. Bailey, Kanye West, Ken Williams, Mel Kent

Backing Vocals – Cindy Mizelle, Katreese BarnesBass – Fred Cash Jr.*Drums – Steve JordanGuitar – Hugh McKracken*Horns – Darryl Dixon, David Watson*, Joe Romano Organ – Orcell VickersWritten-By – Alicia Keys

Backing Vocals – Jerimiah "Jermaine" Paul, Stockley CarmichaelBass – Elijah BakerGuitar – Dwayne Wiggins, John "Jubu" SmithOrgan [Wurlitzer] – Carl "Rev" Wheeler*Piano – Tim Christian Riley*Vocals [Featuring] – Tony! Toni! Toné!Written-By – Alicia Keys, Kerry Brothers Jr.*

Bass – Fred Cash Jr.*Co-producer – Kerry BrothersGuitar – Ronnie Drayton*Organ [Hammond B3] – Onree GillPerformer [Instruments], Synthesizer [Piano], Written-By – Alicia Keys

Backing Vocals – Andricka Hall, Cindy Mizelle, Katreese BarnesBass – Willie WeeksCello – Marisol Espada, Melissa MeellConductor [Strings] – Ray ChewKeyboards, Performer [Instruments], Piano [Rhodes] – Alicia KeysMixed By – Russell ElevadoOther [Copyist] – Al SchoonmakerViola – Barry Finclair, Julien Barber, Maxine Roach, Peter VanDerwater, Richard BriceViolin – Alexander Vselensky, Avril Brown, Dale Stuckenbruck, Gwendolyn Laster*, Marion Pinheiro, Sanford Allen, Stanley HunteWritten-By – Alicia Keys, Kerry Brothers Jr.*

Performer [Instruments], Producer – Dre & VidalRecorded By [Additional] – Vincent DiLorenzoVocals [Featuring] – LellowWritten-By – Alicia Keys, Andre Harris , Harold Lilly, Vidal Davis

Bass – Steve "Styles" RodriguezGuitar – Artie WhiteKeyboards, Synthesizer – Alicia KeysRecorded By [Assistant] – Dan GautreauWritten-By – Alicia Keys, Kerry Brothers Jr.*

Mixed By [Assistant] – Alan Ford Piano [Rhodes], Synthesizer, Written-By – Alicia Keys

Guitar – Artie WhiteProducer, Programmed By [Digital], Synthesizer [Additional] – KumasiSynthesizer – Alicia KeysWritten-By – Alicia Keys, Erika Rose, L. Green*

Bass – Fred Cash Jr.*, Steve "Styles" RodriguezDrums – Kerry BrothersElectric Piano [Rhodes] – Onree GillGuitar – Ricky QuinonesMixed By [Assistant] – Rabeka TuneiOrgan – Orcell VickersPercussion – Pablo BatistaWritten-By – Alicia Keys, Erika Rose

Backing Vocals – Taneisha SmithBass – Steve "Styles" RodriguezDrums – Paul John Electric Piano [Rhodes] – Onree GillGuitar – Ricky QuinonesOrgan – Orcell VickersPercussion – Pablo BatistaSaxophone, Flute – David Watson*Written-By – Alicia Keys, Taneisha Smith

Lead Vocals [Duet With] – UsherWritten-By – Alicia Keys

Saxophone [Featuring] – Arturo SandovalWritten-By – Alicia Keys

Remix – Kanye WestWritten-By – Alicia Keys

Remix – DJ Min OneWritten-By – Alicia Keys, Gregory Isaacs, Harold Lilly, Kanye West, Jack Ruby*