(Willis). Fifteen of the hottest pop hits in a collection of arrangements for piano students that make a great supplement to John Thompson's Easiest Piano Course or any piano method. Includes: Firework (Katy Perry) * Havana (Camila Cabello) * Ocean Eyes (Owl City) * Old Town Road (Lil Nax X feat. Billy Ray Cyrus) * Perfect (Ed Sheeran) * Shallow (Lady Gaga & Bradley Cooper) * A Thousand Years (Christina Perri) * and more.