Instrumental Duet Cello,Double Bass,Instrumental Duet - Level 1 - Digital Download SKU: A0.921640 Composed by Marion Sinclair. Arranged by Rodrigo Pessoa. Children,Concert,Standards,Traditional. Score and parts. 2 pages. Rodrigo Pessoa #4602783. Published by Rodrigo Pessoa (A0.921640). It is a canon for cello and bass.