By Max Martin, Bonnie McKee, Lukasz Gottwald, Katy Perry, and Henry Walter. Arranged by Deke Sharon. For Choral (SSA). Choral. A Cappella; Pop; Rock. Choral. 7 pages. Published by Hal Leonard - Digital Sheet Music

By Max Martin, Bonnie McKee, Mikkel Eriksen, Lukasz Gottwald, Katy Perry, Esther Dean, Sandy Wilhelm, Henry Walter, Jordan Houston, and Sarah Hudson. Arranged by Mac Huff. For Choral (2-Part). Choral. Pop. Choral. 18 pages. Published by Hal Leonard - Digi