Ghost

Credits

• Cirkut
  instrument, producer, programming
• Clint Gibbs
  engineer
• Cory Bice
  assistant
• Dr. Luke
  instrument, producer, programming
• Elliott Lanam
  assistant
• Irene Richter
  additional, assistant
• John Hanes
  engineer
• Justin Fox
  assistant
• Katy Perry
  vocal
• Max Martin
  instrument, producer, programming
• Michael Ilbert
  engineer
• Peter Carlsson
  engineer
• Rachael Findlen
  assistant
• Sam Holland
  engineer
• Serban Ghenea
  mix