Die Fledermaus and Tamerlano are both part of what genre of classical music?
Tamerlano Tamerlano ("Tamerlane", HWV 18) is an opera seria in three acts written for the Royal Academy of Music theatre company, with music by George Frideric Handel to an Italian text by Nicola Francesco Haym, adapted from Agostin Piovene's "Tamerlano" together with another libretto entitled "Bajazet" after Nicolas Pradon's "Tamerlan, ou La Mort de Bajazet".
Simplicius (operetta) Simplicius is an operetta by Johann Strauss II. It was conceived from the work of HJC von Grimmelhausen titled "Der abenteuerliche Simplicissimus" or simply "Adventurous Simplicissimus", which was opined by many to be the 17th century's greatest German novel. The libretto for this work was furnished by Victor Léon who was one of Vienna's promising talents of that era, with music by Johann Strauss II.