(Violin Play-Along). The Violin Play-Along series will help you play your favorite songs quickly and easily. Just follow the music, listen to the CD to hear how the violin should sound, and then play along using the separate backing tracks. With the melody and lyrics included in the book, you may also choose to sing along. The audio CD is playable on any CD player, and also enhanced so Mac & PC users can adjust the recording to any tempo without changing pitch! This volume includes the songs: Castle on a Cloud * Dancing Queen * Defying Gravity * Fiddler on the Roof * I Whistle a Happy Tune * My Favorite Things * On My Own * Put On a Happy Face.