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Primary Artist
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Katy Perry
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Main Performer
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Drums
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Cirkut
Dr. Luke
Max Martin
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Performer
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Keyboard
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Cirkut
Max Martin
Dr. Luke
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Performer
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Performer
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Max Martin
Cirkut
Dr. Luke
Katy Perry
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Performer
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Vocals
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Katy Perry
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Performer
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Composer
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M Martin
Katy Perry
Lukasz Gottwald
Bonnie Mckee
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Composer
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Engineer
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John Hanes
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Production
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Mastering Engineer
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Brian "big Bass" Gardner
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Production
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Mixing
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Serban Ghenea
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Production
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Mixing Assistant
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Tim Roberts
Phil Seaford
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Production
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Producer
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Dr. Luke
Max Martin
Cirkut
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Production
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Production Coordination
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Irene Richer
Vanessa Silberman
Irene Richter
Katie Mitzell
Megan Dennis
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Production
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Programmer
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Dr. Luke
Max Martin
Cirkut
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Production
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Recording
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Sam Holland
Emily Wright
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Production
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Recording Assistant
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Tucker Bodine
Clint Gibbs
Aniela Gottwald
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Production
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Studio Personnel
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John Hanes
Vanessa Silberman
Emily Wright
Sam Holland
Serban Ghenea
Aniela Gottwald
Brian "big Bass" Gardner
Clint Gibbs
Irene Richer
Irene Richter
Katie Mitzell
Megan Dennis
Phil Seaford
Tucker Bodine
Tim Roberts
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Production