Instrumental Duet Cello,Guitar,Instrumental Duet - Level 4 - Digital Download SKU: A0.578158 Composed by Franz Schubert. Arranged by David Warin Solomons. Classical,Romantic Period. Score and parts. 9 pages. David Warin Solomons #3574725. Published by David Warin Solomons (A0.578158). Instrumental arrangement of Schubert's famous song about the trout.