This document provides the score for Mozart's Quintet KV. 581 for clarinet, 2 violins, viola and cello. It consists of 5 movements: 1) Allegro, 2) Larghetto, 3) Menuetto with two trios, 4) Allegretto con Variationi, and 5) Adagio leading back to 6) Allegro. The clarinet takes the melodic lead throughout the various movements.