Instrumental Duet,Piano Instrumental Duet,Piano,Viola,Violin - Level 2 - Digital Download SKU: A0.1319253 By Arthur Warrell. By Arthur Warrell. Arranged by Ygor Nunes. Children,Christmas,Film/TV,Holiday. 8 pages. Ygor Nunes #907891. Published by Ygor Nunes (A0.1319253). Here is an easy and beautiful arrangement for a string duet with piano accompaniment.