Franz Mesmer summers he lived on a splendid estate and became a patron of the arts. In 1768, when court intrigue prevented the performance of "La finta semplice" (K. 51), for which the twelve-year-old Wolfgang Amadeus Mozart had composed 500 pages of music, Mesmer is said to have arranged a performance in his garden of Mozart's "Bastien und Bastienne" (K. 50), a one-act opera, though Mozart's biographer Nissen found no proof that this performance actually took place. Mozart later immortalized his former patron by including a comedic reference to Mesmer in his opera "Così fan tutte". In 1774, Mesmer produced an "artificial
Vienna State Opera of the Staatsoper. Recent examples include "Peter Pan", "" ("The Dream Gobbler"), "Der 35. Mai" ("The 35th of May"), C. F. E. Horneman's "Aladdin", "Bastien und Bastienne" and "Wagners Nibelungenring für Kinder" ("Wagner's Ring for children"). In addition to this, there is a production of "The Magic Flute" every year for 9- and 10-year-olds, decorated like the Opernball. The opera house also has an opera school for boys and girls between the ages of eight and fourteen, which takes place in the afternoons after regular school. The children are introduced to music theatre and the prospect of becoming opera singers.