Piano Play-Along Series Volume 9-This amazing pack lets you play along with original backing tracks created and recorded by the Piano Guys! Each book includes a unique code that lets you access the backing tracks online for download or streaming.This book features 8 songs from the 2017 holiday album arranged for piano solo. Includes O Holy Night/Ave Maria • Ode to Joy to the World • What Child Is This • Gloria!/Hark! The Herald Angels Sing • O Little One Sweet • Silent Night • The Manger and The Sweetest Gift. Don't miss this opportunity to play along with the Piano Guys!