Justin Bieber – Believe

Engineer – Andre "Drizza Don" Bridges
Engineer – Josh Gudwin
Engineer [Assistant For Mix] – Phil Seaford
Engineer [For Mix] – John Hanes
Featuring [Rap] – Ludacris
Instruments, Programmed By – Nolan Lambroza
Instruments, Programmed By – Adam Messinger
Mixed By – Serban Ghenea
Producer, Arranged By [Music And Vocals] – Nolan Lambroza
Producer, Arranged By [Music And Vocals] – Nasri
Producer, Arranged By [Music And Vocals] – Adam Messinger
Vocals [Additional] – Nasri
Written-By – Nolan Lambroza
Written-By – Adam Messinger
Written-By – Nasri Atweh
Written-By – Christopher Bridges
Written-By – Justin Bieber

Engineer – Josh Gudwin
Engineer – Chris "Tek" O'Ryan
Engineer [Assistant] – Thomas Cullison
Keyboards – Mike Posner (2)
Mixed By – Manny Marroquin
Mixed By [Assistant] – Delbert Bowers
Mixed By [Assistant] – Chris Galland
Producer – Mike Posner (2)
Producer – MdL (2)
Producer [Guitar] – Matthew Musto
Recorded By [Guitar] – Benny Steele
Written-By – Mike Posner (2)
Written-By – Mason Levy
Written-By – Matthew Musto
Written-By – Justin Bieber

Arranged By [Vocals] – Nasri Atweh
Backing Vocals – Nasri Atweh
Backing Vocals – Justin Bieber
Coordinator [Production A&r Coordinator] – Corey Gamble
Coordinator [Production A&r Coordinator] – Kim Lumpkin
Engineer – Josh Gudwin
Engineer – Matt Champlin
Engineer – Chris "Tek" O'Ryan
Engineer – Rob Kinelski
Engineer [Additional/assistant] – Daniela Rivera
Engineer [Assistant] – Anna Ugarte
Engineer [Assistant] – Brandon N. Caddell
Featuring [Rap] – Big Sean
Mixed By – Phil Tan
Mixed By [Co-mixed] – Rodney Jerkins
Mixed By [Co-mixed] – Matt Champlin
Producer, Music By – Andre Lindal
Producer, Music By – Rodney Jerkins
Sound Designer – Greg Morgan (4)
Written-By – Sean Anderson (3)
Written-By – Andre Lindal
Written-By – Rodney Jerkins
Written-By – Nasri Atweh
Written-By – Justin Bieber

Backing Vocals – Kuk Harrell
Backing Vocals – Eric Dawkins
Bass – Dammo Farmer
Engineer – Josh Gudwin
Engineer – Chris "Tek" O'Ryan
Engineer [Additional/assistant] – Daniela Rivera
Engineer [Assistant] – Peter Mack
Guitar – Michael Ripoll
Instruments [Additional] – Antonio Dixon
Mixed By – Phil Tan
Producer – The Pentagon (2)
Producer – Patrick J. Que Smith
Written-By – Patrick J. Que Smith
Written-By – Damon Thomas
Written-By – Kenneth Edmonds
Written-By – Antonio Dixon
Written-By – Eric Dawkins
Written-By – Justin Bieber

Engineer – Josh Gudwin
Engineer – Chris "Tek" O'Ryan
Engineer [Assistant] – Ramon Rivas
Engineer [Assistant] – Peter Mack
Mixed By – Manny Marroquin
Mixed By [Assistant] – Delbert Bowers
Mixed By [Assistant] – Chris Galland
Producer – soFLY & Nius
Written-By – Alex Dezen
Written-By – James "JHart" Abrahart
Written-By – Ross Golan
Written-By – Pierre-Antoine Melki
Written-By – Raphaël Judrin
Written-By – Ben Maddahi
Written-By – Justin Bieber

A&R – Kenny Hamilton
Engineer – Josh Gudwin
Engineer – Chris "Tek" O'Ryan
Engineer [Assistant] – Gennaro Schiano
Engineer [Assistant] – Peter Mack
Featuring [Rap] – Drake
Mixed By – Jaycen Joshua
Mixed By [Assistant] – Trehy Harris
Producer – HIT-BOY
Scratches – DJ Tay James
Written-By – Aubrey Graham
Written-By – Eric Bellinger
Written-By – Chauncey Hollis
Written-By – Justin Bieber

Engineer – Josh Gudwin
Engineer – Chris "Tek" O'Ryan
Engineer [Additional/assistant] – Daniela Rivera
Engineer [Assistant] – Peter Mack
Mixed By – Phil Tan
Producer – Jacob Luttrell
Producer – MdL (2)
Written-By – Mason Levy
Written-By – Jacob Luttrell
Written-By – Justin Bieber

Backing Vocals – Justin Bieber
Backing Vocals [Additional] – Greg Morgan (4)
Backing Vocals [Additional] – Thomas Lumpkins
Bass – Artie Reynolds
Coordinator [Production A&r Coordinator] – Corey Gamble
Coordinator [Production A&r Coordinator] – Kim Lumpkin
Drums – Rodney Jerkins
Drums – Aganee
Engineer – Josh Gudwin
Engineer – Matt Champlin
Engineer – Chris "Tek" O'Ryan
Engineer [Assistant] – Brandon N. Caddell
Harpsichord [Live], Piano [Live] – Rodney Jerkins
Mixed By – Manny Marroquin
Mixed By [Assistant] – Delbert Bowers
Mixed By [Assistant] – Chris Galland
Mixed By [Co-mixed] – Rodney Jerkins
Mixed By [Co-mixed] – Matt Champlin
Producer – Travis Sayles
Producer – Rodney Jerkins
Producer – Dennis Jenkins
Sound Designer – Greg Morgan (4)
Strings, Piano – Travis Sayles
Written-By – Fonce Mizell
Written-By – Kelly Lumpkins
Written-By – Deke Richards
Written-By – Berry Gordy
Written-By – Travis Sayles
Written-By – Rodney Jerkins
Written-By – Thomas Lumpkins
Written-By – Herb Rooney
Written-By – Freddie Perren
Written-By – Justin Bieber
Written-By – Dennis Jenkins

Engineer – Josh Gudwin
Engineer – Chris "Tek" O'Ryan
Engineer [Additional/assistant] – Daniela Rivera
Engineer [Assistant] – Wil Anspach
Mixed By – Phil Tan
Producer – Diplo
Producer – Ariel Rechtshaid
Written-By – Wesley Pentz
Written-By – Eric Bellinger
Written-By – Justin Bieber
Written-By – Ariel Rechtshaid

Engineer – Josh Gudwin
Engineer – Chris "Tek" O'Ryan
Engineer [Assistant For Mix] – Phil Seaford
Engineer [Assistant] – Peter Mack
Engineer [For Mix] – John Hanes
Featuring [Rap] – Nicki Minaj
Mixed By – Serban Ghenea
Mixed By [Instrumental], Keyboards, Programmed By – Zedd
Producer – Max Martin
Producer [Vocals], Mixed By [Vocals] – Max Martin
Recorded By [Nicki Minaj Vocals] – Ariel Chobaz
Written-By – Onika Maraj
Written-By – Savan Kotecha
Written-By – Max Martin
Written-By – Zedd
Written-By – Anton Zaslavski

Engineer – Josh Gudwin
Engineer [Assistant] – Ramon Rivas
Mixed By – Fabian Marasciullo
Mixed By [Assistant] – Dave Poler
Producer – Bei Maejor
Written-By – Brandon Green
Written-By – Justin Bieber

Engineer – James "Scrappy" Stassen
Engineer – Josh Gudwin
Engineer – Chris "Tek" O'Ryan
Engineer [Assistant] – Ramon Rivas
Mixed By – Manny Marroquin
Mixed By [Assistant] – Delbert Bowers
Mixed By [Assistant] – Chris Galland
Producer – Dan Kanter
Producer – Justin Bieber
Written-By – Dan Kanter
Written-By – Justin Bieber

Backing Vocals [Additional] – Nasri
Backing Vocals [Additional] – Deanna Dellacioppa
Engineer – Josh Gudwin
Engineer – Chris "Tek" O'Ryan
Instruments, Programmed By – Nolan Lambroza
Instruments, Programmed By – Adam Messinger
Mixed By – Manny Marroquin
Mixed By [Assistant] – Delbert Bowers
Mixed By [Assistant] – Chris Galland
Producer, Arranged By [Music And Vocals] – Nasri
Producer, Arranged By [Music And Vocals] – Adam Messinger
Written-By – Nolan Lambroza
Written-By – Tucker (6)
Written-By – Adam Messinger
Written-By – Nasri Atweh
Written-By – Justin Bieber

Engineer – Josh Gudwin
Engineer – Chris "Tek" O'Ryan
Engineer [Assistant] – Peter Mack
Guitar – Graham Edwards
Mixed By – Manny Marroquin
Mixed By [Assistant] – Delbert Bowers
Mixed By [Assistant] – Chris Galland
Producer, Programmed By – Soundz
Written-By – William Homer (2)
Written-By – Graham Edwards
Written-By – Kenneth Charles Coby
Written-By – Justin Bieber

Backing Vocals – Justin Bieber
Coordinator [Production A&r Coordinator] – Corey Gamble
Coordinator [Production A&r Coordinator] – Kim Lumpkin
Engineer – Josh Gudwin
Engineer – Sevada Djavadghazaryans
Engineer – Matt Champlin
Engineer – Chris "Tek" O'Ryan
Engineer [Assistant] – Brandon N. Caddell
Mixed By – Manny Marroquin
Mixed By [Assistant] – Delbert Bowers
Mixed By [Assistant] – Chris Galland
Mixed By [Co-mixed] – Rodney Jerkins
Mixed By [Co-mixed] – Matt Champlin
Producer, Music By – Andre Lindal
Producer, Music By – Rodney Jerkins
Sound Designer – Greg Morgan (4)
Written-By – Andre Lindal
Written-By – Tiyon Mack
Written-By – Rodney Jerkins
Written-By – Justin Bieber

Backing Vocals – August Rigo
Backing Vocals – Justin Bieber
Coordinator [Production A&r Coordinator] – Corey Gamble
Coordinator [Production A&r Coordinator] – Kim Lumpkin
Engineer – Josh Gudwin
Engineer – Matt Champlin
Engineer [Assistant] – Brandon N. Caddell
Mixed By – Manny Marroquin
Mixed By [Assistant] – Delbert Bowers
Mixed By [Assistant] – Chris Galland
Producer, Music By – Rodney Jerkins
Sound Designer – Greg Morgan (4)
Written-By – August Rigo
Written-By – Rodney Jerkins
Written-By – Scott "Scooter" Braun
Written-By – Justin Bieber