Vocal Producer: Gian Stone - Artist: Katy Perry - Mixer: Serban Ghenea - Mix Engineer: John Hanes - Vocals: Katy Perry - Guitar: Pierre-Luc Rioux - A&R: Chris Anokute - A&R: Lauren Glucksman - Engineer: Rachael Findlen - Mastering Engineer: Dave Kutch - Composer/Author: Katheryn Hudson