Moscow Operetta Theatre - 11.

"The Count of Luxembourg" ("Der Graf von Luxemburg", operetta by Franz Lehár, 1909).
"Krahv Luxemburg" (Ferenc Lehári operett).
"Граф Люксембург" (Комп. Франц Легар).

1960s.

* Franz Lehár (Hungarian: Lehár Ferenc; 30 April 1870 – 24 October 1948) was an Austro-Hungarian composer. He is mainly known for his operettas, of which the most successful and best known is "The Merry Widow" ("Die lustige Witwe"). - Wikipedia.