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
Down in the Valley (opera) Down in the Valley (opera) Down in the Valley is a folk-opera in one act by composer Kurt Weill and librettist Arnold Sundgaard, initially composed and conceived for the radio in 1945 then rewritten and produced in 1948. It uses famous American tunes to carry the story (including "Down in the Valley", "The Lonesome Dove", and "Hop Up, My Ladies") and connected by original choral music. This short opera, originally running only about 20 minutes, was conceived as the first of a series of radio operas by Olin Downes, the music critic of "The New York Times", and Charles McArthur,