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
Andromaque (opera) Andromaque (opera) Andromaque is an opera in three acts by the composer André Ernest Modeste Grétry. The French libretto is an adaptation of Jean Racine's play "Andromaque" by Louis-Guillaume Pitra (1735-1818). It was first performed on 6 June 1780 by the Académie Royale de Musique (Paris Opera) in the second Salle du Palais-Royal. It was the only opera Grétry wrote in the form of a "tragédie lyrique". Grétry was regarded as the leading composer of "opéra comique" of his time and "Andromaque" was his only tragic opera for the Académie Royale de Musique. During the 1770s, Christoph Willibald von Gluck