 A great success, "Der Graf" initially ran for 299 performances.Lehár made various changes to the work over the ensuing years, and the version now preferred, with the first act divided into two scenes and a solo song added for Countess Kokozow in Act 3, originates from the production in Berlin at the Theater des Volkes on 4 March 1937.Following its Vienna premiere, "Der Graf von Luxemburg" was soon performed internationally.