String Ensemble,String Trio Viola,Violin - Level 3 - Digital Download SKU: A0.530876 Composed by Wolfgang Amadeus Mozart. Arranged by Klas Krantz. Classical. Score and parts. 9 pages. Amadeus Music #2026787. Published by Amadeus Music (A0.530876). For string trio (vln 1, vln 2, vla), score and parts, 9 pages.