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
Wolfgang Amadeus Mozart and Prague as both a composer and a performer. The great success of this visit generated a commission from the impresario Pasquale Bondini for another opera, which like "The Marriage of Figaro" was to have a libretto by Mozart's great collaborator Lorenzo Da Ponte. Mozart came to Prague for the second time to help supervise the first performance of his opera "Don Giovanni". He arrived on 4 October 1787 and stayed until 12 or 13 November. The premiere of the opera was supposed to have taken place on 15 October, but could not be arranged until 29 October 1787. The work was