Producer – Dan Muckala

Producer – Lukasz "Dr. Luke" Gottwald*

Producer – John Fields

Producer – Gregg Wattenberg

Producer – Rami

Co-producer – Supa'FlyasProducer – Billy Mann

Producer – John Fields

Producer – Lukasz "Dr. Luke" Gottwald*

Producer – Paul Wiltshire

Producer – John Shanks

Producer – Christian Nilsson, Johan Brorson

Producer – Mark Taylor

Acoustic Guitar – Brandon HeathBass – Brent MilliganDrums – Joe Porter Edited By [Digital] – Chris HaggertyElectric Guitar – Alex Nifong, Chris McMurtryEngineer [Additional] – F. Reid Shippen, Skye McCaskeyEngineer [Assistant] – Aaron Fessel, Lee BridgesPiano [Acoustic], Keyboards [Additional], Arranged By [Strings] – Dan MuckalaProducer – Dan MuckalaRecorded By – Dan Muckala, Dave Dilbeck*Written-By – Dan Muckala, Jess Cates, Lindy Robbins

Drums, Percussion [All] – Shawn PeltonEngineer [Additional Pro Tools] – John HanesEngineer [Assistant Additional Pro Tools] – Tim RobertsEngineer [Pro Tools Techs] – Christian Nilsson, Dan ChaseMixed By – Serban GheneaOther [Tea, Sympathy & Advice] – Sheppard SolomonProducer – Lukasz "Dr. Luke" Gottwald*Recorded By – Christian Nilsson, Lukasz "Dr. Luke" Gottwald*, Seth WaldmannRecorded By [Assistant] – Alan MasonWritten-By, Instruments [All Except Guitar] – Lukasz Gottwald, Max Martin

Arranged By [Strings], Keyboards – Tommy BarbarellaDrums – Michael BlandGuitar – Greg SuranMixed By – John Fields, Steven MillerMixed By [Assistant] – Kennie TakahashiPercussion, Effects – Ken ChastainPiano, Bass, Guitar, Keyboards, Effects – John FieldsProducer – John FieldsProgrammed By – FafuRecorded By – Chris Testa, John Fields, Steven MillerRecorded By [Assistant] – Mark Kiczula, Matt BeckleyWritten-By – Blair Daly, Chris Farren

Arranged By [Strings] – Gregg Wattenberg, Paul BuckmasterBass – Jerry BarnesDrums – Shawn PeltonEngineer [Assistant Pro Tools] – Ross Petersen*, Seth WaldmannEngineer [Pro Tools] – Brian MontgomeryExecutive Producer – John OndrasikGuitar, Programmed By – Gregg WattenbergMixed By [Assistant] – Keith ArmstrongProducer – Gregg WattenbergRecorded By – Brian Schueble*, Gregg Wattenberg, Pablo MunguiaWritten-By – John Ondrasik

Drums – Shawn PeltonProducer, Recorded By – RamiWritten-By, Instruments [All Except Drums] – Max Martin, Rami

Acoustic Guitar, Electric Guitar – billymann*Arranged By – billymann*, Supaflyas*Arranged By [Vocals] – Backstreet Boys, billymann*Co-producer – Supaflyas*Coordinator [Production Coordinator] – Lana IsraelDrums, Percussion – René TromborgKeyboards – Rasmus Bille BähnckeMixed By – Andy ZullaProducer – billymann*Programmed By – billymann*, Rasmus Bille BähnckeRecorded By – John Silas CranfieldWritten-By – billymann*, Rasmus Bähncke*, René Tromborg

Arranged By [Strings], Keyboards – Tommy BarbarellaDrums – Michael BlandGuitar – Greg SuranMixed By – Tom Lord-AlgeMixed By [Assistant] – Femio Hernandez, Mark Kiczula, Matt BeckleyPercussion, Effects – Ken ChastainPiano, Bass, Guitar, Keyboards, Effects – John FieldsProducer – John FieldsRecorded By – Chris Testa, John Fields, Steven MillerWritten-By – Shelly Peiken, Wally Gagel, Alexander Barry*

Arranged By [Strings], Conductor [Strings] – Wil MaloneDrums – Johan ReivénEdited By [Digital] – Chris HaggertyGuitar – Lukasz "Dr. Luke" Gottwald*, Max MartinLeader [Strings] – Gavyn WrightProducer, Recorded By, Bass – Lukasz "Dr. Luke" Gottwald*Recorded By [Assistant] – Brian Pugh*Recorded By [Guitars, Bass & Drums], Edited By [Pro Tools] – Michael IlbertRecorded By [Strings] – Adam BrownStrings – The London Session OrchestraWritten-By – Lukasz Gottwald, Max Martin

Bass – Paul BushnellDrums – Vinnie ColaiutaEdited By [Digital] – Chris HaggertyGuitar – Grecco BurattoPercussion [Additional] – Alex AcuñaProducer [Additional] – Victoria WuProducer, Arranged By, Recorded By – Paul WiltshireRecorded By [Drums & Bass] – Frank WolfRecorded By [Vocals] – Pablo MunguiaWritten-By – Paul Wiltshire, Victoria Wu

Bass – Paul BushnellCoordinator [Production Coordinator], Contractor – Shari SutcliffeDrums – Vinnie ColaiutaEngineer [Additional] – Mark ValentineGuitar – John ShanksKeyboards – Jamie MuhoberacMixed By – Jeff Rothschild, John ShanksProducer – John ShanksRecorded By – Jeff RothschildWritten-By – Robin Lerner, Tom Leonard

Guitar, Bass – Johan BrorsonMixed By – Michael IlbertPercussion – Christian NilssonProducer, Recorded By – Christian Nilsson, Johan BrorsonWritten-By – Alexandra*, Max Martin, Rami

Arranged By [Strings] – Mark Taylor, Robin SmithConductor [Strings] – Robin SmithContractor [String Contractor] – Isobel GriffithsGuitar – Adam PhillipsLeader [Strings] – Gavyn WrightPiano – Kevin RichardsonProducer – Mark TaylorRecorded By [Assistant Strings] – James StoneRecorded By [Assistant Vocals] – Ghian WrightRecorded By [Assistant], Mixed By [Assistant] – Alex Smith Recorded By [Strings] – Steve Price Recorded By [Vocals] – Pablo MunguiaRecorded By, Mixed By – Mark Taylor, Ren SwanWritten-By – Gary Baker, Kevin Richardson, Steve Diamond