Marlene Dietrich shot at Babelsberg film studios. Josef von Sternberg directed the film and thereafter took credit for having "discovered" Dietrich. The film is also noteworthy for having introduced Dietrich's signature song "Falling in Love Again", which she recorded for Electrola and later made further recordings in the 1930s for Polydor and Decca Records. In 1930, on the strength of "The Blue Angel's" international success, and with encouragement and promotion from Josef von Sternberg, who was already established in Hollywood, Dietrich moved to the United States under contract to Paramount Pictures, the US film distributor of "The Blue Angel". The studio sought
Marlene Dietrich platonic love and whom she considered a genius. She also had an affair with Cuban-American writer Mercedes de Acosta, who claimed to be Greta Garbo's lover. "Sewing circle" was a phrase used by Dietrich to describe the underground, closeted lesbian and bisexual film actresses and their relationships in Hollywood. In the supposed "Marlene's Sewing Circle" are mentioned the names of other close friends such as Ann Warner (the wife of Jack L. Warner, one of the owners of the Warner studios), Lili Damita (an old friend of Marlene's from Berlin and the wife of Errol Flynn), Claudette Colbert, and Dolores