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
Haydn and Mozart symphony and a chorus, both probably from [the oratorio] "Il ritorno di Tobia"") and Mozart ("a new concert aria, probably 'Misero! o sogno!' [K. 431], and, on the first night, a piano concerto") At the time of this meeting, Haydn was the most celebrated composer in Europe. Mozart's own reputation was definitely on the rise. His opera "The Abduction from the Seraglio" had been premiered with great success in Vienna, and was being produced in several other cities. Haydn would have been about 52 at the time, Mozart about 28. Jens Peter Larsen suggests that "quartet playing was central to