Credits
John Adams: Assistant Engineer
James Ingram: Assistant Engineer
Lucas: Choir
Tammy: Choir
Keith Armstrong: Assistant Engineer
Terry Thomas: Producer
Ne-Yo: Co-Producer
Dallas Austin: Producer
Novel: Programming, Producer, Keyboards
Mick Guzauski: Mixing
Walter Afanasieff: Programming, Producer, Keyboards, Arranger
Vaneese Thomas: Choir
Serban Ghenea: Mixing
Ryan Tedder: Producer, Programming, Recording, Arranger
Clive Davis: Producer
Fonzi Thornton: Vocal Contractor
Cindy Mizelle: Choir
Billy Porter: Choir
Chris Holmes: Engineer
Chris Laws: Drums
Chris Lord-Alge: Mixing
Dave Pensado: Mixing
John Hanes: Programming, Engineer
Mark "Exit" Goodchild: Recording
Max Martin: Piano
Phil Tan: Mixing
Steve Pearce: Bass
Tor Erik Hermansen: Instrumentation, Recording
Vlado Meller: Mastering
Wayne Wilkins: Producer, Mixing, Recording
Eddie Horst: String Arrangement
Wolfedelic: Additional Production
Benny Diggs: Choir
Rob Smith: Engineer
Dave Arch: Organ, Piano
Chris Brooke: Recording
Doug McKean: Engineer
Janne Hansson: Engineer
Louis Biancaniello: Producer, Mixing, Recording
Tawatha Agee: Choir
Tom Bender: Assistant Engineer
Aliaune "Akon" Thiam: Producer
Andros Rodriguez: Recording
Aniela Gottwald: Assistant Engineer
Carlton Lynn: Mixing, Recording
Craig Durrance: Recording
Eric Hudson: Producer
Giorgio Tuinfort: Co-Producer
J.R. Rotem: Instrumentation, Arranger
Jack Daley: Bass
Jaymz Hardy Martin III: Recording
Josh Houghkirk: Assistant Engineer
Keith Gretlein: Engineer
Larry Jackson: Producer
Michelle Cobbs: Choir
Nate Hertweck: Recording Assistant
Rouble Kapoor: Engineer
Tim Roberts: Assistant Engineer
Leon Pendarvis: String Arrangement, String Conductor
Mikkel S. Eriksen: Instrumentation, Recording
Tony Reyes: Guitar
David Channing: Additional Engineer
Greg Ogan: Recording
Josh Wilbur: Engineer
Kimberly Smith: Project Coordinator
Robin Clark: Choir
Sam Watters: Producer, Mixing, Recording
Seth Waldmann: Engineer
Chris Soper: Engineer
Daniel Laufer: Cello
Daniel Pursey: Recording
Wesley Seidman: Engineer
Stephen Ferrera: Drums
Tom Syrowski: Engineer
Simon Cowell: Producer
John Paricelli: Guitar
Phillip Lowman: Drums
Tyler Gordon: Programming, Engineer
Kent Wagner: Violin
Amy Chang: Violin
Emily Wright: Engineer
Nik Karpen: Assistant Engineer
Rich Davis: Production Coordination
Claude Kelly: Producer
Samuel Cross: Engineer
Lloyd Cooper: Recording Assistant
Matt Beckley: Additional Production
Trent Privat: Recording Assistant
William Pu: Violin
Tuff Session Singers : Backing Vocals
Jordan Omley: Producer
Tatiana Gottwald: Engineer
Sam Holland: Engineer
Markus Dextegen: Engineer
Gary "The Shredder" Silver: Production Coordination
Jaycen Joshua: Mixing
Tim Blacksmith: Management
Ravaughn Brown: Backing Vocals
Olga Shpitko: Violin
"Biti" Straughn: Choir
Tim Sturges: Recording Assistant
Randy Winem: Recording Assistant
Carmen Reese: Backing Vocals
Hayden Bendall: Recording
Mone't: Backing Vocals
Pascal Guyon: Programming
Steve Mac: Producer, Keyboards, Arranger