| 1 | Dark Horse- programming and producer:
- Cirkut, Dr. Luke and Max Martin
- assistant engineer:
- Cory Bice, Eric Eylands, Rachael Findlen , Justin Fox and Elliott Lanam
- engineer:
- Peter Carlsson , Clint Gibbs, John Hanes , Sam Holland , Michael Ilbert and Mike Foster
- additional assistant producer:
- Irene Richter
- mixer:
- Serban Ghenea
- alto saxophone:
- Alex Foster
- instruments:
- Cirkut, Dr. Luke and Max Martin
- additional vocals:
- Ava James
- background vocals:
- Max Martin and Katy Perry
- vocals:
- Juicy J and Katy Perry
- recorded at:
- Conway Recording Studios in Hollywood, Los Angeles, California, United States, Luke’s in the Boo in Malibu, California, United States, MXM Studios in Stockholm, Stockholms län , Sweden, Playback Recording Studio in Santa Barbara, California, United States and Secret Garden Studios in Montecito, California, United States
- mixed at:
- MixStar Studios in Virginia Beach, Virginia, United States
- music videos:
- Dark Horse by Katy Perry feat. Juicy J
- part of:
- Billboard Year-End Hot 100 singles of 2014 (number: 2), Billboard Decade End Chart: Streaming Songs (number: 9), Grammy Award: Best Pop Duo/Group Performance nominees (number: 2015) and BILLIONS CLUB
- recording of:
- Dark Horse
- writer:
- Łukasz Gottwald, Henry Walter, Sarah Hudson, Jordan Houston , Madison Love, Max Martin and Katy Perry
- publisher:
- DeeEtta Music (in 2013), Italians Do It Better (in 2013), Kasz Money Publishing (in 2013), MXM (in 2013), Oneirology Publishing (in 2013), Prescription Songs (in 2013) and When I’m Rich You’ll Be My Bitch (in 2013)
| Katy Perry feat. Juicy J | 4.2 | 3:35 |