String Orchestra - Digital Download SKU: AX.00-PC-0016873_VN1 1st Violin. By Katy Perry. By Henry Walter, Katy Perry, Lukasz Gottwald, and Max Martin. Pop. Part. 2 pages. Alfred Music - Digital Sheet Music #00-PC-0016873_VN1. Published by Alfred Music - Digital Sheet Music (AX.00-PC-0016873_VN1). UPC: 038081501093.Looking for a Billboard number one chart? Well, look no further! This is the one. With an Egyptian theme, energy, excitement, passion, and lots more, this playable and exiting piece will definitely has it all and will be a hit at your next concert. (2:00).