Credits

Dallas Austin: Producer
Serban Ghenea: Mixing
Josh Abraham: Producer
John Hanes: Mixing
Kuk Harrell: Vocal Producer
Max Martin: Keyboards, Producer, Programming
Rick Sheppard: Engineer, Programming
Robert Orton: Mixing
Justin Bieber: Executive Producer
Cory Enemy: Producer, Programming
Pat Collier: Engineer
Steve Berman: Credit Not Specified
Red Foo: Mixing, Producer
Matthew Koma: Engineer, Producer
Colin Janz: Additional Production, Programming, Vocals
Carly Rae Jepsen: Vocals
Dave Ogilvie: Mixing
Gavin Taylor: Art Direction, Design
Gene Grimaldi: Mastering
Larry Jackson: A & R
Tim Roberts: Mixing Assistant
Toby Gad: Instrumentation, Mixing, Producer, Programming
Michael Ilbert: Engineer
Miguel Lara: Mixing Assistant
Ken Friesen: Vocal Recording
Zach Blackstone: Mixing Assistant
Lukas Hilbert: Keyboards, Producer, Programming
Ryan Stewart: Producer, Vocal Producer
Mighty Mike: Producer
Matthew Thiessen: Backing Vocals
Oligee: Producer
Matt LaPlant: Assistant Engineer
Josh Gudwin: Engineer, Mixing
Sean Walsh: Engineer
Adam Young: Engineer, Instrumentation, Producer, Vocal Recording
Ryan Shanahan: Engineer
Phil Seaford: Mixing Assistant
Ryan Williams: Engineer
Brandon N. Caddell: Assistant Engineer
Pedro Dzelme: Mixing Assistant
The Minneapolis Youth Chorus: Vocals
Scott "Scooter" Braun: Executive Producer
Tavish Crowe: Guitar
John Ehmann: A & R
Damien Fry: Cover Photo
Kelsey Janz: Vocals
Randy Lennox: Credit Not Specified
Josh Ramsay: Engineer, Instrumentation, Producer, Backing Vocals
Jon Rezin: Vocal Editing
Reid Rolls: Photography
Jonathan Simkin: A & R, Executive Producer