Instrumental Duet Bassoon,Guitar,Instrumental Duet - Level 3 - Digital Download SKU: A0.578257 Composed by David Warin Solomons. 20th Century,Contemporary. Score and parts. 7 pages. David Warin Solomons #3866227. Published by David Warin Solomons (A0.578257). The first of 3 peaceful pieces for bassoon and guitar in Dorian mode,