Among the operas including the subject of the Bohemian royal legend, is Eduard Lannoy's Libussa (Brno 1819), an isolated case. From the late 17th century, Libuse, a Bohemian Queen (sic!), became a leading character of several German baroque operas. In the early 18th century, she appeared in the Italian opera seria, also in Prague. The author of the first German 19th century Libuse (Konradin Kreutzer's Libussa was given its premiere in Vienna only at the end of 1822) treated this work as a serious singspiel, interspersed by comic episodes. The libretto, probably also written by the composer, stresses liberalism in the traditional legend elements. The form of the opera is traditional, vocal numbers are bound together by spoken dialogues. The vocal and instrumental setting is mature, but the work lacks originality of invention.