Frantisek Dusek (1731-1799), Czech composer and pianist, studied in Prague and Vienna. He settled in Prague, one of the important harpsichordists and pianists of his time, his wife, JosephinaDusek (1753-1824), pianist and soprano. Their Prague home and the Bertramka summer villa(stamp on the right one) were center of local musical activities. Mozart completed "Don Giovanni" there in 1787, Josephina often sang the titles roles of Mozart's operas. As a composer, Frantisek composed piano sonatas, piano variations and symphonies.