Justin Bieber - Believe Mp3

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

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, 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

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

Backing Vocals – Justin BieberBacking Vocals [Additional] – Greg Morgan , Thomas LumpkinsBass – Artie Reynolds IIICoordinator [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

Backing Vocals [Additional] – Deanna DellaCiopooa, NasriEngineer – Chris "TEK" O'Ryan, Josh GudwinInstruments, Programmed By – Adam Messinger, Nolan LambrozzaMixed 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 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

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

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" JerkinsSound Designer – Greg Morgan Written-By – A. Lindal, J. Bieber, N. Atweh, R. Jerkins, S. Anderson

Engineer – Andre Drizza Don Bridges, Josh GudwinEngineer [Assistant For Mix] – Phil SeafordEngineer [For Mix] – John HanesFeaturing [Rap] – LudacrisInstruments, Programmed By – Adam Messinger, Nolan LambrozzaMixed By – Serban GheneaProducer, Arranged By [Music And Vocals] – Adam Messinger, Nasri, Nolan LambrozzaVocals [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 MustoRecorded By [Guitar] – Benny SteeleWritten-By – J. Bieber, M. Levy, M. Musto, M. Posner

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