Instrumental Duet Cello,Guitar,Instrumental Duet - Level 3 - Digital Download SKU: A0.578106 Composed by David Warin Solomons. 20th Century,Contemporary. Score and parts. 4 pages. David Warin Solomons #3517109. Published by David Warin Solomons (A0.578106). Instrumental Duo based on my song inspired by a poem by Reiner Kunze as translated by Ewald Osers, initially composed as a song for alto and guitar (also available on this site).