The enclosed CD not only lets you hear what the end result should sound like, it also enables you to play the first violin part in a real string quartet. Melodies include: The Swan from Carnival of the Animals (Saint-Saens); Winter from the Four Seasons (Vivaldi); The Entertainer (Joplin); Fur Elise (Beethoven; Air from Suite No. 3 (Bach); Theme from Piano Concerto No. 21 (Mozart); Canon (Pachelbel); Berceuse (Faure); Minuet (Boccherini); Melody in F (Rubinstein); Waltz of the Flowers from the Nutcracker (Tchaikovsky).