Kompozitori: Katy Perry - Max Martin - Madison Love - Lukasz Gottwald - Maaike Kito Lebbing - Jonas W. Karlsson - Catherine Dennis - Mary Weitz - Cari Fletcher
Kompozitori: Jonas W. Karlsson - Maaike Kito Lebbing - Madison Love - Cari Fletcher - Mary Weitz - Katy Perry - Max Martin - Lukasz Gottwald - Catherine Dennis