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.
Des Knaben Wunderhorn (Mahler) The settings of Des Knaben Wunderhorn by Gustav Mahler are orchestral songs and voice and piano settings of poems from "Des Knaben Wunderhorn" ('The Youth's Magic Horn') a collection of anonymous German folk poems assembled by Achim von Arnim and Clemens Brentano and published by them, in heavily redacted form, between 1805 and 1808. 10 songs set for soprano or baritone and orchestra were first published by Mahler as a cycle in 1905. but in total 12 orchestral songs exist, and a similar number of songs for voice and piano.