Wilfried Berk, clarinet / clarinette Elisabeth Berk-Seiz, piano François-Adrien Boïeldieu (16 December 1775, Rouen -- 8 October 1834, Varennes-Jarcy, Essonne) was a French composer, mainly of operas, often called "the French Weber". Sonata in E flat major / Sonate in Es-Dur / Sonata en Mib majeur 00:00 I. Allegro moderato 06:17 II. Andantino con variazioni (first world recording / première enregistrement mondiale) LP Musik in Herrenhausen (2) Leuenhagen & Paris Verlag Simrock / Elite ( editor : Wojciechowski, Johannes )