Original: MOZART. Allegro from "Five Divertimentos for three basset horns" K439b. W. A. Mozart 1756-1791. Divertimento 1 Mvt 1.
Translation: arranged clarinet trio. 2 cl & bass cl. Trio. Ray Thompson. Bass Clarinet in Bb. Clarinet 1in Bb. Clarinet 2 in Bb.