Double Trouble/ Window to the Past from Harry Potter and the Prisoner of Azkaban for Horn in F/ Piano & CD is for Level 2-3 p layer it has a carefully edited removable part for the player. The piano accomp can be easily played by a Teacher or Intermed iate piano student. A full orchestrated accompaniment CD. Each song on the CD includes a Demo track which features a live ins trumental performance followed by the Play-Along track. Also available Flute Clarinet Alto sax Tenor sax Trumpet Trombone.