Erich Pommer in Berlin, was produced in a German, English, French, Hungarian as well as a silent version. The film also created the Operetta film genre. The "Erich-Pommer-Produktion der Ufa" turned out several international box office hits in the following years, most notably Josef von Sternberg's "The Blue Angel" (1930), starring Marlene Dietrich. Among his productions was a series of popular musical comedies such as "Die Drei von der Tankstelle" and "Der Kongreß tanzt" / "Congress Dances" and the science fiction spectacle "F.P.1", which was shot in three language versions. After the Nazi Party came to power early in 1933, UFA rescinded
Marlene Dietrich Services (OSS) initiated the Musak project, musical propaganda broadcasts designed to demoralize enemy soldiers. Dietrich, the only performer who was made aware that her recordings would be for OSS use, recorded a number of songs in German for the project, including "Lili Marleen", a favorite of soldiers on both sides of the conflict. Major General William J. Donovan, head of the OSS, wrote to Dietrich, "I am personally deeply grateful for your generosity in making these recordings for us." At the war's end in Europe, Dietrich reunited with her sister Elisabeth and her sister's husband and son. They had resided