Composer August Conradi conducted for which opera house that was built for a restaurant owner?
August Conradi August Conradi (27 June 182126 May 1873) was a German organist and composer. Born in Berlin, he was originally intended by his father to study theology. Instead, he was enrolled at the Prussian Academy of Arts in Berlin. There he studied harmony and composition with Carl Friedrich Rungenhagen, director of the Sing-Akademie zu Berlin. In 1843, he became a church organist of Invalidenhaus, Berlin, also writing his first symphony plus a "Zigeunerpolka" for orchestra the same year. The latter was arranged for piano by Hungarian pianist and composer Franz Liszt. Conradi held various conducting appointments; these included Stettin (1849), Berlin (1850), Düsseldorf (1852), and Cologne (1853), then Berlin again at such theaters as Kroll's, the Wallner-Theater and the Victoria-Theater.
Der Schauspieldirektor Der Schauspieldirektor ("The Impresario"), K. 486, is a comic "singspiel" by Wolfgang Amadeus Mozart, set to a German libretto by Gottlieb Stephanie, an Austrian "Schauspieldirektor". Originally, it was written because of "the imperial command" of the Holy Roman Emperor Joseph II who had invited 80 guests to a private luncheon.