1 Piano,4 Hands,Piano Duet - Level 2 - Digital Download SKU: A0.746060 By Colbie Caillat. By Hugh Martin and Ralph Blane. Arranged by Betsy Lee Bailey. Christmas,Film/TV,Holiday,Pop. Score. 5 pages. Betsy Lee Bailey #6088381. Published by Betsy Lee Bailey (A0.746060). Have Yourself a Merry Little Christmas- easy piano duet is a nice addition to the repertoire of early intermediate piano students. Â Perfect for the the Christmas recital or Holiday party. Â Useful for the school Group Piano class, as well. Â An introduction to extended harmonies and jazz chords.