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
D'Oyly Carte Opera Company popular Offenbach operetta "La Périchole" he brought W. S. Gilbert and Arthur Sullivan together. On tour in 1871, Carte had conducted Arthur Sullivan's one-act comic opera "Cox and Box", which received an 1874 London revival. In 1873, W. S. Gilbert had offered a libretto to Carte about an English courtroom, but at the time Carte knew of no composer available to set it to music. Carte remembered Gilbert's libretto and suggested to Gilbert that Sullivan write the music for a one-act comic opera, "Trial by Jury", which was quickly composed and added to the Royalty's bill in March 1875. The