What Austro-Hungarian composer helped produce "Princess Flavia" and "New Moon"?
Sigmund Romberg Sigmund Romberg (July 29, 1887 – November 9, 1951) was an Austro-Hungarian composer who spent most of his adult life in the United States. He is best known for his musicals and operettas, particularly "The Student Prince" (1924), "The Desert Song" (1926) and "The New Moon" (1928).
Vincent Adler Vincent Adler (3 April 1826, Győr – 4 January 1871, Geneva) was a Hungarian composer and pianist.