Fugue in D major Op. 137 for two violins, two violas & cello Sextet in E major, op. 81b, for two horns, two violins, viola and bass String quartet in G minor, KV 516 for 2 violins,2 violas and cello Sonata in F major op. 17 for piano and horn or violoncello Serenade in D, op.8 for violin, viola and cello