Instrumental Duet Guitar,Instrumental Duet,Viola - Level 2 - Digital Download SKU: A0.577949 Composed by David Warin Solomons. 20th Century,Contemporary,Folk. Score and parts. 7 pages. David Warin Solomons #3472579. Published by David Warin Solomons (A0.577949). The guitar has an ostinato pattern while the 2 melody instruments play a tune based on a poem that I wrote many years ago