Operetta in two acts with prelude and postlude | Text by Julius Brammer and Alfred Grünwald | Playing time  2 3/4 hours | One intermission 

What do you get when you cross a wealthy American heiress with an eastern European heir to the throne – who also happens to be deeply in debt? Why, a ­musical clash of cultures, of course! In this piece, Emmerich Kálmán deftly juxtaposes elements of jazz and the foxtrot with the Viennese Waltz and the Hungarian Czárdás.