(Instrumental Play-Along). 9 songs with online audio accompaniments so instrumentalists can play along with a real band. Songs include: Climb Ev''ry Mountain * Do-Re-Mi * Edelweiss * The Lonely Goatherd * Maria * My Favorite Things * Sixteen Going on Seventeen * So Long, Farewell * The Sound of Music. Now introducing PLAYBACK+ , a multi-functional audio player that alows you to slow down audio without changing pitch, set loop points, change keys, and pan left or right available exclusively from Hal Leonard.