Mozart: Divertimento No.1 (Complete) from “Five divertimenti for 3 basset horns” KV439b – horn trio for Horn in F,Brass Trio,Horn trio,French Horn Trio 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.1 (Complete) from “Five divertimenti for 3 basset horns” KV439b – horn trio is part of the following sheet music categories: Classical Period,Birthday,Wedding,Graduation,Recital.