Clarinet Ensemble,Woodwind Ensemble Bass Clarinet,Bassethorn,E-Flat Clarinet - Level 2 - Digital Download SKU: A0.1308878 Composed by Alessandro Rolla. Arranged by Nat Clarinet. 19th Century,Classical,Romantic Period. 171 pages. NatClarinet #898134. Published by NatClarinet (A0.1308878). Arrangement for Basset Horn and Clarinet Ensemble of the Concerto in Fa Maggiore for Basset Horn and Orchestra by Alessandro Rolla (Pavia, 22 dicembre 1757 – Milano, 10 maggio 1841).