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
The Devils of Loudun (opera) The Devils of Loudun (opera) Die Teufel von Loudun ("The Devils of Loudun") is an opera in three acts written in 1968 and 1969 by Polish composer Krzysztof Penderecki, and then revised in 1972 and 1975. It has a German libretto by the composer, based on John Whiting's dramatization of Aldous Huxley's book of the same name. The work was commissioned by the Hamburg State Opera, which consequently gave the premiere on 20 June 1969. Only 48 hours afterwards, the opera received its second performance in Stuttgart, followed two months later by its American debut mounted by the Santa Fe