Composer: Lee sang gul & Yoo Taehoon
Composer: Emil Severin & Patrick O'Neill
Composer: Katy Perry & Bonnie McKee & Henry Walter & Max Martin & Lukasz Gottwald
Composer: Bonnie Mckee & Henry Walter & Max Martin & Lukasz Gottwald & Katy Perry
Lyricist: Bonnie Mckee & Henry Walter & Max Martin & Lukasz Gottwald & Katy Perry