Die Fledermaus
Die Fledermaus (German: [diː ˈfleːdɐˌmaʊs], The Bat, sometimes called The Revenge of the Bat) is an operetta composed by Johann Strauss II to a German libretto by Karl Haffner and Richard Genée, which premiered in 1874. == Background == The original literary source for Die Fledermaus was Das Gefängnis (The Prison), a farce by German playwright Julius Roderich Benedix that premiered in Berlin in 1851.