Symphony No. 39 in E-flat, K. 543 is the first of three symphonies that Wolfgang Amadeus Mozart composed in rapid succession during the summer of 1788. These three constitute Mozart’s final symphonies, with all three remaining popular and regular parts of the orchestral repertoire. While the work may or may not have been premiered previously, the first documented performance took place in March of 1792 at a Mozart memorial concert in Hamburg. Instrumentation: 1.0.2.2: 2.2.0.0: Timp: Str (9-8-7-6-5 in set).