Die Fledermaus and Tamerlano are both part of what genre of classical music?
Die Fledermaus Die Fledermaus (] , "The Bat", sometimes called "The Revenge of the Bat") is an operetta composed by Johann Strauss II to a German libretto by and Richard Genée.
Nicola Francesco Haym Nicola Francesco Haym (6 July 1678 – 31 July 1729) was an Italian opera librettist, composer, theatre manager and performer, and numismatist. He is best remembered for adapting texts into libretti for the London operas of George Frideric Handel and Giovanni Bononcini. Libretti that he provided for Handel included those for "Giulio Cesare", "Ottone", "Flavio", "Tamerlano", "Rodelinda", and several others; for Bononcini, he produced two, "Calfurnia" and "Astianatte".