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
Fidelio F. Finke Fidelio F. Finke Fidelio Friedrich "Fritz" Finke (22 October 1891 in Josefsthal, Austria-Hungary (now Josefův Důl, Czech Republic) – 12 June 1968 in Dresden, East Germany) was a Bohemian-German composer. Finke was born the son of a teacher in 1891 in the north-Bohemian village of Josefstal (modern-day Josefův Důl, Czech Republic). From 1906 to 1908, he attended a teacher's seminar in Reichenberg (now Liberec). He received organ, piano and violin lessons, and from 1908 to 1911, studied at the Prague Conservatory, where he studied piano and composition. From 1911 onward, he worked as a private music teacher and from 1915