- Darren Ankenman – photography
- Carol Briselli – viola
- Greg Gigendad Burke – art direction, design
- Mike Caren – producer
- Elliott Carter – engineer, assistant
- Jeff Chestek – string engineer
- Eliza Cho – violin
- James J. Cooper III – cello
- Andrew Dawson – mixing
- Chuck Diesel – producer
- DJ Toomp – producer
- Ghislaine Fleishman – violin
- Gary Fly – assistant
- Paul Foley – engineer
- John Frazier Jr. - producer
- John Frye – mixing
- Lanre Gaba – A&R
- Chris Gehringer – mastering
- Jason Geter – executive producer, A&R
- Christopher "Drumma Boy" Gholson – producer
- Larry Gold – conductor, string arrangements
- Rob Gold – producer
- Josh Gudwin – assistant, engineer
- Brad "Dirt" Horne – engineer, assistant
- Jean-Marie Horvat – mixing
- Bryan Huynh – technician
- Individuals – producer
- Jim Jonsin – producer
- Just Blaze – producer
- Hannah Kang – A&R
- Billy Kim - producer
- Rob Knox – producer
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- Emma Kummrow – violin
- Lil C – producer
- Sydney Margetson – photography
- Robert Marks – engineer, mixing
- Darryl Morris – assistant
- Peter Nocella – viola
- Bill Orcutt – cover illustration
- Anthony Palazzole – assistant
- Douglas Peterson – A&R
- Rosie Phillidor – stylist
- Brandon "B" Rackley – producer
- James "Nard" Rosser – producer, engineer
- Marsha St. Hubert – A&R
- Stevie Salas – guitar
- Ray Seay – mixing
- Derrick Selby – engineer
- David Siegel – keyboards
- Elliott Storud - producer
- Supa Engineer "Dupa" – mixing
- Swizz Beatz – producer
- Tom Syrowski – assistant
- Igor Szwec – violin
- Gregory Teperman – violin
- Justin Timberlake – producer
- T.I.P. – executive producer
- Kanye West – producer
- Ryan West – mixing
- Elvis Williams – producer
- Andrew Wright – tracking
- Ian Wright – cover illustration
- Terrell Sass - drums
- Amir Windom - A&R
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