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",
Down in the Valley (opera) Down in the Valley (opera) Down in the Valley is a folk-opera in one act by composer Kurt Weill and librettist Arnold Sundgaard, initially composed and conceived for the radio in 1945 then rewritten and produced in 1948. It uses famous American tunes to carry the story (including "Down in the Valley", "The Lonesome Dove", and "Hop Up, My Ladies") and connected by original choral music. This short opera, originally running only about 20 minutes, was conceived as the first of a series of radio operas by Olin Downes, the music critic of "The New York Times", and Charles McArthur,