Engelbert Humperdinck (composer) the Gran Teatre del Liceu Conservatory in Barcelona. In 1887, he returned to Cologne. He was appointed professor at the Hoch Conservatory in Frankfurt in 1890 and also teacher of harmony at Julius Stockhausen's Vocal School. By this time he had composed several works for chorus and a "Humoreske" for small orchestra, which enjoyed a vogue in Germany. Humperdinck's reputation rests chiefly on his opera "Hänsel und Gretel", which he began work on in Frankfurt in 1890. He first composed four songs to accompany a puppet show his nieces were giving at home. Then, using a libretto by his sister
Liebe und Eifersucht "everywhere marked by understanding and craftsmanship – and nowhere distinguished by genius." 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