Instrumental Duet Bass Clarinet,Instrumental Duet - Level 4 - Digital Download SKU: A0.533185 Composed by Gian Paolo Chiti. Concert,Contemporary,Standards. Score and parts. 5 pages. Musik Fabrik Music Publishing #1919769. Published by Musik Fabrik Music Publishing (A0.533185). A work for solo bass clarinet by the noted italian pianist and composer.