What Austro-Hungarian composer helped produce "Princess Flavia" and "New Moon"?
Princess Flavia Princess Flavia is a 1925 operetta in three acts based on Anthony Hope's novel "The Prisoner of Zenda", with book and lyrics by Harry B. Smith and music by Sigmund Romberg.
Károly Thern Károly (Carl) Thern (13 August 1817 – 13 April 1886) was a Hungarian composer, pianist, conductor and arranger. He was of German descent, but was among the second generation of composers who developed the language of Hungarian art music.