Bach’s The Art of the Fugue, BWV 1080 (his final composition); Mozart’s Clarinet Concerto in A, K. 622 (his final concerto) and Haydn’s Symphony No. 104, in D, Hoboken 1/4 London (his final symphony) can all be heard at Hoff-Barthelson Music School’s Festival Orchestra’s Winter Concert. The concert, under the musical direction of Jun Nakabayashi – who also orchestrated the version of the Art of the Fugue that the orchestra will perform – takes place Saturday, December 14, 2019, at…