Instrumental Duet Cello,Instrumental Duet,Viola - Level 3 - Digital Download SKU: A0.700306 Composed by Various. Arranged by Kenneth D. Friedrich. Christmas,Concert. Score and parts. 14 pages. KFS Publishing #4360079. Published by KFS Publishing (A0.700306). Medium level arrangements for viola and cello. List: The Holly and the Ivy, I Heard Two Bells (Medley), I Saw Three Ships, I Wonder as I Wander, In the Bleak Midwinter, Infant Holy, Infant Lowly, and Joy to the World