(Violin Play-Along). The Violin Play-Along series will help you play your favorite songs quickly and easily. This special volume lets you play along with the original backing tracks created and recorded by The Piano Guys. The files are accessed online and can be downloaded or streamed. 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! This volume features 12 selections from the group's 2014 release: Ants Marching/Ode to Joy * Batman Evolution * Because of You * Don't You Worry Child * Father's Eyes * Home * How Great Thou Art/The Mission * Kung Fu Piano: Cello Ascends * Let It Go * Pictures at an Exhibition * Story of My Life * Summer Jam. | The Piano Guys - Wonders, Book & Toy | Indigo Chapters