Justin Bieber - Believe

Engineer – Andre Drizza Don Bridges*, Josh GudwinEngineer [Assistant For Mix] – Phil SeafordEngineer [For Mix] – John HanesFeaturing [Rap] – LudacrisInstruments, Programmed By – Adam Messinger, Nolan Lambrozza*Mixed By – Serban GheneaProducer, Arranged By [Music And Vocals] – Adam Messinger, Nasri, Nolan Lambrozza*Vocals [Additional] – NasriWritten-By – A. Messinger*, C. Bridges*, J. Bieber*, N. Atweh*, N. Lambrozza*

Engineer – Chris "TEK" O'Ryan, Josh GudwinEngineer [Assistant] – Thomas CullisonKeyboards – Mike Posner Mixed By – Manny MarroquinMixed By [Assistant] – Chris Galland, Delbert BowersProducer – MdL , Mike Posner Producer [Guitar] – Mat Musto*Recorded By [Guitar] – Benny SteeleWritten-By – J. Bieber*, M. Levy*, M. Musto*, M. Posner*

Arranged By [Vocals] – Nasri AtwehBacking Vocals – Justin Bieber, Nasri AtwehCoordinator [Production A&r Coordinator] – Corey Gamble, Kim LumpkinEngineer – Chris "TEK" O'Ryan, Josh Gudwin, Matt Champlin, Rob KinelskiEngineer [Additional, Assistant] – Daniela RiveraEngineer [Assistant] – Anna Ugarte, Brandon N. CaddellFeaturing [Rap] – Big SeanMixed By – Phil TanMixed By [Co-mixed] – Matt Champlin, Rodney JerkinsProducer, Music By – Andre Lindal, Rodney "Darkchild" Jerkins*Sound Designer – Greg Morgan Written-By – A. Lindal*, J. Bieber*, N. Atweh*, R. Jerkins*, S. Anderson*

Backing Vocals – Eric Dawkins, Kuk HarrellBass – Dammo FarmerEngineer – Chris "TEK" O'Ryan, Josh GudwinEngineer [Additional, Assistant] – Daniela RiveraEngineer [Assistant] – Peter MackGuitar – Michael RipollInstruments [Additional] – Antonio DixonMixed By – Phil TanProducer – j.Que Smith*, The Pentagon Written-By – A. Dixon*, D. Thomas*, E. Dawkins*, J. Bieber*, K. Edmonds*, P. Smith*

Engineer – Chris "TEK" O'Ryan, Josh GudwinEngineer [Assistant] – Peter Mack, Ramon RivasMixed By – Manny MarroquinMixed By [Assistant] – Chris Galland, Delbert BowersProducer – SoFLY & NiusWritten-By – A. Dezen*, B. Maddahi*, J. Abrahart*, J. Bieber*, P. Melki*, R. Judrin*, R. Golan*

A&R – Kenny HamiltonEngineer – Chris "TEK" O'Ryan, Josh GudwinEngineer [Assistant] – Gennaro Schiano, Peter MackFeaturing [Rap] – DrakeMixed By – Jaycen JoshuaMixed By [Assistant] – Trehy HarrisProducer – Hit-BoyScratches – DJ Tay JamesWritten-By – A. Graham*, C. Hollis*, E. Bellinger*, J. Bieber*

Engineer – Chris "TEK" O'Ryan, Josh GudwinEngineer [Additional, Assistant] – Daniela RiveraEngineer [Assistant] – Peter MackMixed By – Phil TanProducer – Jacob Luttrell, MdL Written-By – J. Luttrell*, J. Bieber*, M. Levy*

Backing Vocals – Justin BieberBacking Vocals [Additional] – Greg Morgan , Thomas LumpkinsBass – Artie Reynolds III*Coordinator [Production A&r Coordinator] – Corey Gamble, Kim LumpkinDrums – Aganee, Rodney JerkinsEngineer – Chris "TEK" O'Ryan, Josh Gudwin, Matt ChamplinEngineer [Assistant] – Brandon N. CaddellHarpsichord [Live], Piano [Live] – Rodney JerkinsMixed By – Manny MarroquinMixed By [Assistant] – Chris Galland, Delbert BowersMixed By [Co-mixed] – Matt Champlin, Rodney JerkinsProducer – Dennis "Aganee" Jenkins*, Rodney "Darkchild" Jerkins*, Travis SaylesSound Designer – Greg Morgan Strings, Piano – Travis SaylesWritten-By – B. Gordy*, D. Richards*, D. Jenkins*, A. Mizell*, F. Perren*, H. Rooney*, J. Bieber*, K. Lumpkins*, R. Jerkins*, T. Lumpkins*, T. Sayles*

Engineer – Chris "TEK" O'Ryan, Josh GudwinEngineer [Additional, Assistant] – Daniela RiveraEngineer [Assistant] – Wil AnspachMixed By – Phil TanProducer – Ariel Rechtshaid, DiploWritten-By – A. Rechtshaid*, E. Bellinger*, J. Bieber*, T. Pentz*

Engineer – Chris "TEK" O'Ryan, Josh GudwinEngineer [Assistant For Mix] – Phil SeafordEngineer [Assistant] – Peter MackEngineer [For Mix] – John HanesFeaturing [Rap] – Nicki MinajMixed By – Serban GheneaMixed By [Instrumental], Keyboards, Programmed By – ZeddProducer – Max MartinProducer [Vocals], Mixed By [Vocals] – Max MartinRecorded By [Nicki Minaj Vocals] – Ariel ChobazWritten-By – A. Zaslavski*, M. Martin*, O. Maraj*, S. Kotecha*, Zedd

Engineer – Josh GudwinEngineer [Assistant] – Ramon RivasMixed By – Fabian MarasciulloMixed By [Assistant] – Dave PolerProducer – Bei MaejorWritten-By – B. Green*, J. Bieber*

Engineer – Chris "TEK" O'Ryan, James "Scrappy" Stassen, Josh GudwinEngineer [Assistant] – Ramon RivasMixed By – Manny MarroquinMixed By [Assistant] – Chris Galland, Delbert BowersProducer – Dan Kanter, Justin BieberWritten-By – D. Kanter*, J. Bieber*

Backing Vocals [Additional] – Deanna DellaCiopooa, NasriEngineer – Chris "TEK" O'Ryan, Josh GudwinInstruments, Programmed By – Adam Messinger, Nolan Lambrozza*Mixed By – Manny MarroquinMixed By [Assistant] – Chris Galland, Delbert BowersProducer, Arranged By [Music And Vocals] – Adam Messinger, NasriWritten-By – A. Messinger*, J. Bieber*, N. Atweh*, N. Lambrozza*, Tucker

Engineer – Chris "TEK" O'Ryan, Josh GudwinEngineer [Assistant] – Peter MackGuitar – Graham EdwardsMixed By – Manny MarroquinMixed By [Assistant] – Chris Galland, Delbert BowersProducer, Programmed By – SoundZWritten-By – G. Edwards*, J. Bieber*, K. Coby*, W. Homer*

Backing Vocals – Justin BieberCoordinator [Production A&r Coordinator] – Corey Gamble, Kim LumpkinEngineer – Chris "TEK" O'Ryan, Josh Gudwin, Matt Champlin, Sevada DjavadghazaryansEngineer [Assistant] – Brandon N. CaddellMixed By – Manny MarroquinMixed By [Assistant] – Chris Galland, Delbert BowersMixed By [Co-mixed] – Matt Champlin, Rodney JerkinsProducer, Music By – Andre Lindal, Rodney "Darkchild" Jerkins*Sound Designer – Greg Morgan Written-By – A. Lindal*, J. Bieber*, R. Jerkins*, T. Mack*

Backing Vocals – August Rigo, Justin BieberCoordinator [Production A&r Coordinator] – Corey Gamble, Kim LumpkinEngineer – Josh Gudwin, Matt ChamplinEngineer [Assistant] – Brandon N. CaddellMixed By – Manny MarroquinMixed By [Assistant] – Chris Galland, Delbert BowersProducer, Music By – Rodney "Darkchild" Jerkins*Sound Designer – Greg Morgan Written-By – A. Rigo*, J. Bieber*, R. Jerkins*, S. Braun*