Download or read book Katy Perry - Prism - Easy Piano Songbook written by Katy Perry and published by Hal Leonard. This book was released on 2014-02-01 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: (Easy Piano Personality). Easy piano arrangements with lyrics to Perry's blockbuster release featuring: Birthday * By the Grace of God * Choose Your Battles * Dark Horse * Double Rainbow * Ghost * International Smile * It Takes Two * Legendary Lovers * Love Me * Roar * Spiritual * This Is How We Do * This Moment * Unconditionally * Walking on Air.