Arranged By – Bloodshy & Avant, Steve Lunt*Backing Vocals – BlackCell, Britney Spears, Emma HolmgrenEdited By [Digital Editing] – Bloodshy & AvantEngineer [Vocal Recording Engineer] – Tobias LehmannGuitar – Henrik JonbackInstruments [All Other], Programmed By – Bloodshy & AvantMixed By – Niklas FlycktProducer, Recorded By – Bloodshy & AvantTechnician [Logic Audio Operator] – Uwe LietzowWritten-By – B. Brown*, G. Griffin*, E. T. Riley*

Arranged By – Bloodshy & Avant, Steve Lunt*Arranged By [Strings], Conductor [Strings] – Janson & JansonBacking Vocals – BlackCell, Britney Spears, Cathy Dennis, Emma HolmgrenBass – Thomas Lindberg*Edited By [Digital Editing] – Bloodshy & AvantEngineer [Assistant] – J.D. Andrew, Jonas ÖstmanGuitar – Henrik JonbackInstruments [All Other], Programmed By – Bloodshy & AvantMixed By – Niklas FlycktProducer, Recorded By – Bloodshy & AvantStrings ['bollywood' Strings] – Stockholm Session StringsWritten-By – C. Dennis*, C. Karlsson*, H. Jonback*, P. Winnberg*

Engineer [Assistant] – Ryan Smith , Tim RobertsInstruments [All Other] – Chad Hugo, Pharrell WilliamsMixed By – Serban GheneaProducer – The NeptunesRecorded By – Andrew Coleman , Brian GartenWritten-By – C. Hugo*, P. Williams*

Backing Vocals – Britney Spears, Max Martin, Nana HedinBass – Thomas Lindberg*Engineer [Mix] – Max Martin, RamiEngineer [Pro Tools] – John AmatielloGuitar – Esbjörn Öhrwall, Johan CarlbergKeyboards [All], Programmed By [All] – Max Martin, RamiPerformer [The Fanchoir] – Charlotte Björkman, Chatrin Nyström, Jeanette Stenhammar, Johanna Stenhammar, Therese AnckerProducer – Max Martin, RamiVoice [Dialog] – Britney Spears, Max MartinWritten-By – M. Martin*, Rami

Arranged By – Britney Spears, C. "Tricky" Stewart*, Penelope Magnet, Steve Lunt*Backing Vocals – Britney Spears, Courtney Copeland, Emma Roads, Penelope Magnet, Roxanne EstradaCo-producer – Penelope MagnetEdited By [Digital Editing] – Brian "B-Luv" Thomas, John Hanes, P-Dub Walton*Engineer [Assistant] – Charles McCrorey, David Treahearn, Rob Haggert*, Tim RobertsFeaturing – MadonnaGuitar – Gary O'BrienInstruments [All Other], Programmed By – C. "Tricky" Stewart*Mixed By – Mark "Spike" Stent*, Serban GheneaProducer – TrixsterRecorded By – Brian "B-Luv" ThomasRecorded By [Madonna's Vocals] – Mark "Spike" Stent*Written-By – B. Spears*, C. "Tricky" Stewart*, G. O'Brien*, Madonna, P. Magnet*, T. Nash*, T. "Tab" Nkhereanye*

Backing Vocals – Britney Spears, Max Martin, Nana HedinEngineer [Mix] – Max Martin, RamiEngineer [Pro Tools] – John AmatielloKeyboards [All], Programmed By – Max Martin, RamiProducer – Max Martin, RamiWritten-By – M. Martin*, Rami

Engineer [Assistant] – Seth WaldmannEngineer, Edited By, Mixed By – Sean McGheeInstruments [All Instruments Performed By] – Guy SigsworthProducer – Guy SigsworthWritten-By – A. Stamatelatos*, B. Spears*

Backing Vocals – Britney Spears, Max Martin, Nana HedinBass – Thomas Lindberg*Guitar – Johan CarlbergRecorded By, Mixed By – Max Martin, RamiWritten-By – M. Martin*

Backing Vocals – Jeanette Söderholm, Max Martin, Rami, The FANCHOIRBass – Thomas Lindberg*Engineer [Assistant] – Daniel BoomEngineer [Pro Tools] – Stephen GeorgeGuitar – Esbjörn Öhrwall, Johan CarlbergPerformer [The Fanchoir] – Charlotte Björkman, Chatrin Nyström, Jeanette Stenhammar, Johanna Stenhammar, Therese AnckerProducer, Mixed By – Max Martin, RamiWritten-By – D. Kreuger*, J. Elofsson*, M. Martin*, P. Magnusson*

Featuring – Pharrell WilliamsInstruments [All] – Chad Hugo, Pharrell WilliamsMixed By – Serban GheneaRecorded By – Andrew Coleman Remix, Producer [Additional Production] – The NeptunesWritten-By – C. Hugo*, P. Williams*

Acoustic Guitar – Esbjörn ÖhrwallBacking Vocals – Anders von Hoffsten*Bass – Thomas Lindberg*Co-producer – Jörgen ElofssonKeyboards – Jörgen Elofsson, Per MagnussonProducer – David Kreuger, Per MagnussonProgrammed By – David KreugerWritten-By – J. Elofsson*

Backing Vocals – Bosslady, Britney SpearsEngineer [Assistant] – Charles McCroreyEngineer [Pro Tools And Vocalwestefoolaway] – John AmatielloEngineer [Pro Tools] – Michael "PGA Tour" Tucker*Guitar – Max MartinMixed By – Max Martin, RamiProducer – Max Martin, RamiRecorded By – Max Martin, RamiTurntables – Daniel SavioWritten-By – M. Martin*, Rami

Backing Vocals – Britney Spears, Max Martin, Nana HedinEngineer [Mix] – Max Martin, RamiEngineer [Pro Tools] – John AmatielloGuitar – Esbjörn ÖhrwallKeyboards [All], Programmed By – Max Martin, RamiPerformer [The Fan Choir 2] – Antonia Kolitas*, Diana Alhashwa*, Eleni Tseneklidou, Marlené Safin, Mina Sarkhosh*, Mona YacoubProducer – Max Martin, RamiVoice [Crowd] – The FAN CHOIR 2Written-By – A. Kronlund*, M. Martin*, Rami

Backing Vocals – Britney Spears, Penelope Magnet, R. Kelly, Roxanne EstradaEdited By [Digital Editing] – Brian "B-Luv" Thomas, John HanesEngineer [Assistant] – Jason Mlodzinski, Nathan Wheeler, Rich Tapper, Steve Bearsley, Tim RobertsGuitar – Donnie LyleKeyboards [Additional] – Kendall NesbittMixed By – Serban GheneaMixed By [Co] – R. KellyProducer – R. KellyProducer [Vocals], Arranged By [Vocals] – Penelope Magnet, TrixsterProgrammed By – Abel Garibaldi, Ian MerenessRecorded By – Abel Garibaldi, Andy Gallas, Ian MerenessRecorded By [Vocals] – Brian "B-Luv" ThomasWritten-By – R. Kelly

Backing Vocals – Andreas Carlsson, Nana HedinEngineer [Assistant] – Reza SafinaEngineer [Pro Tools] – Michael TuckerGuitar – Esbjörn ÖhrwallKeyboards, Programmed By – Kristian LundinProducer – Kristian LundinWritten-By – A. Carlsson*, K. Lundin*

Backing Vocals – Ann Marie Bush, Chris Thompson, Damien Hall, Deann Dover, Jason R. Scheff*, Jeff Pescetto, Maxayn Moriguchi*, Sue Ann Carwell, Tyler Collins, Will Wheaton Jr.*Engineer [Assistant] – Javier Valverde, Marc LeeGuitar – Paul UmbachMixed By – Jean-Marie HorvatProducer – Rodney Jerkins, Rodney JerkinsRecorded By – Brad Gilderman, Fabian MarasciulloScratches – Corey ChaseWritten-By – A. Merrill*, J. Hooker*

Backing Vocals – Jeanette Olsson, Max MartinBass – Thomas Lindberg*Engineer [Assistant] – Charles McCroreyEngineer [Pro Tools And Vocalswestfoolaway] – John AmatielloGuitar – Esbjörn ÖhrwallMixed By – Max Martin, RamiProducer – Max Martin, RamiRecorded By [Leads Vocals] – Michael TuckerWritten-By – Dido, M. Martin*, Rami

Arranged By – Bloodshy & Avant, Steve Lunt*Arranged By [Strings], Conductor [Strings] – Janson & JansonBacking Vocals – BlackCell, Britney Spears, Jeanette Olsson, Michelle BellBass – Thomas Lindberg*Drums ['live'] – Steve WolfEdited By [Digital Editing] – Bloodshy & AvantEngineer [Assistant] – Charles McCrorey, Jonas ÖstmanGuitar – Henrik JonbackInstruments [All Other], Programmed By – Bloodshy & AvantMixed By – Niklas FlycktProducer, Recorded By – Bloodshy & AvantRecorded By ['live' Drums] – Tom SoaresStrings – Stockholm Session StringsWritten-By – B. Spears*, C. Karlsson*, H. Jonback*, M. Bell*, P. Winnberg*

Arranged By – Bloodshy & Avant, Steve Lunt*Backing Vocals – Angela Hunte, BlackCell, Britney SpearsEdited By [Digital Editing] – Bloodshy & AvantEngineer [Assistant] – Charles McCrorey, Jonas ÖstmanGuitar – Henrik JonbackInstruments [All Other], Programmed By – Bloodshy & AvantMixed By – Niklas FlycktProducer, Recorded By – Bloodshy & AvantWritten-By – A. Hunte*, C. Karlsson*, H. Jonback*, P. Winnberg*