Composer: Katy Perry & Bonnie McKee & Henry Walter & Max Martin & Lukasz Gottwald
Composer: BONNIE LEIGH MCKEE & HENRY RUSSELL WALTER & LUKASZ GOTTWALD & MARTIN MAX SANDBERG & yan wang
Composer: Katy Perry & Bonnie McKee & Łukasz Gottwald & Max Martin & Henry Walter
Lyricist: Katy Perry & Bonnie McKee & Łukasz Gottwald & Max Martin & Henry Walter
Composer: Josh Groban & Eric Mouquet & Thomas Salter
Lyricist: Josh Groban & Eric Mouquet & Thomas Salter