Notturno (Menuett und Trio) , KV 436 & 439b, arranged for Transverse Flute, Violin and Viola or 2 Violins and Viola
Little Bijou (original from the Notturni KV 436 and KV 439b, No.3), composed in 1783 http://music4viola.info/work-info/44/Mozart%20W.a./notturno-menuett-und-trio-kv-436-und-439b-arranged-for-transverse-flute-violin-and-viola-or-2-violins-and-viola