Mozart: Divertimento No.4 (Complete) from “Five divertimenti for 3 basset horns” KV439b – clarinet trio (2 Bb and bass (alt. 3rd Bb) for Clarinet,Woodwind Trio,Clarinet trio,bass clarinet written by Wolfgang Amadeus Mozart. The format of this sheet music is Score,Set of Parts and it’s published by RayThompsonMusic. Mozart: Divertimento No.4 (Complete) from “Five divertimenti for 3 basset horns” KV439b – clarinet trio (2 Bb and bass (alt. 3rd Bb) is part of the following sheet music categories: Classical Period,Anniversary,Birthday,Wedding,Recital.