Opera in German such as opera seria. Some Baroque composers, such as Reinhard Keiser, did try to challenge Italian dominance, and the theatre principal Abel Seyler became an eager promoter of German opera in the 1770s, but it was only with the appearance of Mozart that a lasting tradition of serious German-language opera was established. Mozart took the simple, popular genre of "Singspiel" and turned it into something far more sophisticated. Beethoven followed his example with the idealistic "Fidelio"; and with "Der Freischütz" of 1821, Weber established a uniquely German form of opera under the influence of Romanticism. Weber's innovations were eclipsed by
Tarquin (opera) Tarquin (opera) Tarquin is a chamber opera by Ernst Krenek to an English libretto by Emmet Lavery. Written in 1940, it is Krenek's only unpublished opera (Op. 90), though a premiere in German translation (by M.-C. Schulte-Strathaus & P. Funk rather than the composer) took place in 1950 in Cologne. Krenek, who was in Switzerland at the time of the Anschluss, escaped to exile in the USA and a teaching position at Vassar College, where Lavery (1902–86) was a newspaper editor in neighboring Poughkeepsie (he would later run for Congress and write for Hollywood). The piece was designed for college