Guitar - Digital Download SKU: A0.483092 By Glee Cast and Katy Perry. By Esther Dean, Katy Perry, Mikkel Eriksen, Sandy Wilhelm, and Tor Erik Hermansen. Arranged by Amanda J. Herold. Hip-Hop,Pop,R & B,Rock. Guitar Tab. 2 pages. Published by Amanda J. Herold (A0.483092).