String Trio Violin - Level 3 - Digital Download SKU: A0.1324589 By Christmas Hits & Christmas Songs. By Meredith Willson. Arranged by Grape Mango. Christmas,Jazz,Pop,Soul,Traditional. 5 pages. Grape Mango #912792. Published by Grape Mango (A0.1324589). A cozy and fun arrangement of a Christmas classic, for 3 treble instruments (violins). Merry Christmas and Happy Holidays!tags: string trio, violin trio, 3 violins, flute trio, violin and flute, chamber music.