Piano Trio Piano,Viola,Violin - Level 2 - Digital Download SKU: A0.1290347 By Kitty Mu. By Kitty Mu. 21st Century,Chamber,Children,Multicultural,Pop,World. 14 pages. Kitty Mu #881056. Published by Kitty Mu (A0.1290347). This is my original composition.Score include full score and parts sheet music (Violin, Viola and Piano), bowing, fingering and interpretation.