Instrumental Duet,Piano Instrumental Duet,Piano,Viola,Violin - Level 2 - Digital Download SKU: A0.623781 Composed by Roy C. Bennett and Sid Tepper. Arranged by Stephen DeCesare. Contemporary. Score and parts. 13 pages. Exultet Music #4411859. Published by Exultet Music (A0.623781). The novelty Christmas song has been freshly arranged as a duet for Violin and Viola with Piano accompaniment. Accessible and appropriate for any school or concert setting.