Instrumental Duet Cello,Instrumental Duet,Violin - Level 4 - Digital Download SKU: A0.949253 Composed by Piotr Szewczyk. 20th Century,Contemporary. Score and parts. 4 pages. Piotr Szewczyk (www.VeryNewMusic.com) #5990005. Published by Piotr Szewczyk (www.VeryNewMusic.com) (A0.949253). The Moon Goddess for Violin and Cello (2009) by Piotr Szewczyk.