(Violin Play-Along). The Violin Play-Along series will help you play your favorite songs quickly and easily. Just play the original recording, follow along with the printed music, and then play along using the separate backing tracks. Includes: Christmas Time with You * Crazy for Christmas * Feliz Navidad * Dreidel * The Little Drummer Boy * Magic * Manger/Noel * Sleigh Ride. Audio is accessed online using the unique code inside the book and can be streamed or downloaded. The audio files include PLAYBACK+, a multi-functional audio player that allows you to slow down audio without changing pitch, set loop points, change keys, and pan left or right.