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 Nightingale and the Rose (opera) The Nightingale and the Rose (opera) The Nightingale and the Rose (Russian: "Соловей и роза" – "Solovey i roza") is a chamber opera in one act (five scenes) by Russian composer Elena Firsova (Op. 46, 1990–1991) written to her own English libretto after Oscar Wilde’s story of the same name together with poetry by Christina Rossetti. The opera was written at the request of Paul Esterházy, the director of the Ulm Theatre in Germany. Firsova created the libretto combining the text from Oscar Wilde's fairy-tale, taken from the collection "The Happy Prince and Other Stories" (1888), with four poems by