Choral Choir,Choral (SSAB) - Level 3 - Digital Download SKU: A0.1382009 By Katy Perry. By Bonnie McKee, Dr. Luke, Henry Walter, Katy Perry, Lukasz Gottwald, and Max Martin. Arranged by Anna Shields. Pop. 14 pages. Anna Shields of Starling Arts #966635. Published by Anna Shields of Starling Arts (A0.1382009). Choral arrangement of Roar, originally performed by Katy Perry. Arranged for 4 parts: Soprano, Alto 1, Alto 2, and Tenor.Perfect for school ensembles and community choirs without large numbers of lower voices.