Opera in 4 acts by Rossini (his last) to lib. by de Jouy and Bis after Schiller's play (1804) based on the legend. Prod. Paris 1829, London 1830 (in version adapted by Planché and Bishop) and 1839 (orig. version), NY 1831. Operas on same subject by Grétry (1791) and B. A. Weber (1795).