Christmas Together - Violin Play-Along Vol. 74

From the publisher:
The Violin Play-Along series will help you play your favorite songs quickly and easily. With this special volume, you can play along to the original backing tracks created and recorded by The Piano Guys. The purchase price includes online access to the audio for download or streaming. The online audio player, Playback+, allows you to slow down audio without changing pitch, set loop points, change keys, plan left or right, and more!!