Credits

Calvin Harris: Programming, Producer, Instrumentation, Mixing, Recording
Rihanna: Creative Director, Executive Producer, Vocals
StarGate: Producer
Carl Sturken: Executive Producer
Dr. Luke: Programming, Producer, Instrumentation
Evan Rogers: Executive Producer
John Hanes: Mixing
Kuk Harrell: Vocal Engineer, Vocal Producer
Manny Marroquin: Mixing
Miles Walker: Engineer
Phil Tan: Mixing
Tor Erik Hermansen: Instrumentation
Kevin Randolph: Keyboards
Carol Corless: Package Production
Dan Tobiason: Assistant
Deborah Mannis-Gardner: Sample Clearance
Ellen Von Unwerth: Photography
Fabian Marasciullo: Mixing
Jay Brown: A & R
Kevin "KD" Davis: Mixing
Rob Kinelski: Engineer
Shondrae "Bangladesh" Crawford: Programming, Producer, Instrumentation
Terese Joseph: A & R
Terius "The Dream" Nash: Producer
Mikkel S. Eriksen: Engineer, Instrumentation
Eric Wong: Marketing
Chris Gheringer: Mastering
Calvin Baliff: Mixing Assistant
Damien Lewis: Mixing Assistant
Erik Madrid: Mixing Assistant
Tim Blacksmith: Executive Producer
Steve Wyreman: Guitar, Bass
John Hill: Programming, Instrumentation
Gabriela Schwartz: Marketing
Ghazi Hourani: Mixing Assistant
Marcos Tovar: Mixing, Vocal Engineer
Ciarra Pardo: Creative Director, Art Direction
Jordan "DJ Swivel" Young: Vocal Engineer
Bu Thiam: A & R
No ID: Producer
Alex Da Kid: Producer
Mike Anderson: Engineer
Clint Gibbs: Engineer
Irene Richter: Production Coordination
Da Internz: Producer
Hit-Boy: Producer
Phil Seaford: Mixing Assistant
Alejandro Barajas: Assistant Engineer
Aubry "Big Juice" Delaine: Engineer
Omar Loya: Assistant Engineer
Tyron Machhausen: Make-Up
Scott Marcus: A & R
Katie Mitzell: Production Coordination
Roc Nation : Executive Producer
Mel Ottenberg: Wardrobe
Daniella Rivera: Assistant Engineer
Jennifer Rosales: Assistant Engineer
Chris Sclafani: Assistant Engineer
Jonathan Sher: Assistant Engineer
Ursula Stephens: Hairstylist
Yusef Stephens: Hairstylist