Discover more playlists and music by Johann Christoph Friedrich Bach on PLAYLISTED. Like Concerto in E flat major for Viola and Fortepiano 2 Horns 2 Oboes Strings and Basso continuo 3. Allegretto, Concerto in E flat major for Viola and Fortepiano 2 Horns 2 Oboes Strings and Basso continuo 2. Larghetto cantabile, Concerto in E flat major for Viola and Fortepiano 2 Horns 2 Oboes Strings and Basso continuo 1. Allegro con brio and Symphony in B-Flat Major W. I 20 II. Andante con moto.