Instrumental Duet,Piano Instrumental Duet,Piano,Viola,Violin - Level 2 - Digital Download SKU: A0.629812 Composed by Arthur H. Mann. Arranged by Stephen DeCesare. Christian,Praise & Worship,Sacred. Score and parts. 13 pages. Exultet Music #6385143. Published by Exultet Music (A0.629812). The well-known Christian hymn has now been freshly arranged as a duet for Violin and Viola with Piano accompaniment. Accessible and appropriate for any church or concert setting. Can be used at many times throughout the liturgical year. An accompaniment track is also available.