Roar

Provided to YouTube by Universal Music Group Roar · Katy Perry Roar ℗ 2013 Capitol Records, LLC Released on: 2013-01-01 Producer, Programmer: Dr. Luke Producer, Programmer: Max Martin Producer, Programmer: Cirkut Studio Personnel, Recording Engineer: Clint Gibbs Studio Personnel, Recording Engineer: Peter Carlsson Studio Personnel, Recording Engineer: Sam Holland Studio Personnel, Recording Engineer: Michael Ilbert Studio Personnel, Asst. Recording Engineer: Rachael Findlen Studio Personnel