Instrumental Duet,Piano Instrumental Duet,Piano,Viola,Violin - Level 2 - Digital Download SKU: A0.629628 Composed by Joanna Carlson and Michael W. Smith. Arranged by Stephen DeCesare. Christian,Christmas,Contemporary,Praise & Worship,Sacred. 12 pages. Exultet Music #6358199. Published by Exultet Music (A0.629628). This celebratory Christmas anthem by Michael W. Smith & Joanna Carlson has been freshly arranged as a duet for Violin and Viola with Piano accompaniment. Accessible and appropriate for any church or concert setting.