Liebe und Eifersucht Liebe und Eifersucht Liebe und Eifersucht ("Love and Jealousy") is a "Singspiel", an opera with spoken dialogue, in three acts by the German composer and author E. T. A. Hoffmann, composed in 1807 on his own libretto based on the translation by August Wilhelm Schlegel of a play by Calderón. The opera was first published by Schott in 1999, and premiered at the 2008 Ludwigsburger Schlossfestspiele. The author Ernst Theodor Amadeus Hoffmann was interested in music, wanted originally to become a musician, and added Amadeus to his names in honour of Mozart. He composed one successful opera in 1816, "Undine",
Jacobowsky und der Oberst (opera) Jacobowsky und der Oberst (opera) Jacobowsky und der Oberst, Op. 49, ("Jacobovsky and the Colonel") is an opera in four acts by Giselher Klebe who also wrote the libretto based on the 1944 play of the by Franz Werfel. It premiered on 2 November 1965 at the Hamburg State Opera which had commissioned the work. Klebe dedicated it to the then director of the Staatsoper, Rolf Liebermann. Time and place: 1940, Paris, St. Cyrill, Bayonne and Saint-Jean-de-Luz The first American performance was on 27 June 1967 at the Metropolitan Opera, New York, using the same cast, conducted by Matthias Kuntzsch.