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",
Croesus (opera) Croesus (opera) Der hochmütige, gestürzte und wieder erhabene Croesus ("The Proud, Overthrown and Again Exalted Croesus") is a three-act opera (described as a "Singe-Spiel") composed by Reinhard Keiser. The German language libretto by Lucas von Bostel was based on Nicolò Minato's 1678 dramma per musica "Creso", the music for which was composed by the Emperor Leopold I. Keiser's "Croesus" received its first performance at the Theater am Gänsemarkt, Hamburg, in 1711 (exact date unknown). Later, the composer extensively revised the opera for a new version, which premièred at the same theatre on 6 December 1730. In the process, he discarded