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",
Ivana Fišer Institute orchestra. As a conductor, Fišer debuted in 1933 while directing the comic opera Bastien und Bastienne with Zagreb philharmonic orchestra. From 1939 to 1941, she led the Zagreb Red Cross orchestra. Until 1941, she also led the Osijek philharmonic orchestra. From 1947 to 1965, Fišer worked as a prompter at the Croatian National Theatre in Zagreb. Ivana Fišer Ivana Fišer (born Fischer; June 13, 1905 – September 7, 1967) was known Croatian Jewish conductor. Fišer was born in Zagreb on June 13, 1905 to a Jewish family of well-known Croatian architect Ignjat Fischer and his wife Helena (née Egersrodfer).