Der Stein der Weisen Tamino and Sarastro). "Der Stein der Weisen" may have provided a model for that work, as the two have a similar structure and source. The work was initially popular, but was largely absent from the standard repertoire for the two centuries after 1814, American musicologist David Buch announced the discovery of a Viennese score with attributions to all five composers. This was taken by some to indicate that "Der Stein der Weisen" was a previously unknown Mozart work, although in fact only a duet ("Nun liebes Weibchen", known as the "cat duet") and two sections of the act 2 finale
Warsaw Chamber Opera Church. The theater building has been entered into the register of monuments of the city of Warsaw. The repertoire of the Warsaw Chamber Opera presents a large number of diverse musical styles and forms of works: from medieval mystery plays to the operas of the early and late Baroque opera, classic eighteenth-century pantomime, opera by Rossini, Donizetti, as well as works by contemporary composers. Warsaw Chamber Opera is known for its Mozart Festival, organized every year since 1991. Its repertoire includes all stage works of Wolfgang Amadeus Mozart. It also organizes a festival for Gioacchino Rossini and Claudio Monteverdi and