3(Vocal Sheet Music). The Hal Leonard Vocal Sheet Music series is an exciting new series for singers, featuring authentic piano accompaniments and custom guitar chord diagrams, tailored to each song's unique chord progressions and designed to provide realistic support. 31 holiday hits are included in this volume: All I Want for Christmas Is You * Blue Christmas * The Christmas Song (Chestnuts Roasting on an Open Fire) * Frosty the Snow Man * Have Yourself a Merry Little Christmas * A Holly Jolly Christmas * Last Christmas * Mary, Did You Know? * Rockin' Around the Christmas Tree * Santa Baby * White Christmas * Wonderful Christmastime * and more.