Rosa von Praunheim was inspired to make this film by his own radio play “Die Nachtigall” (The Nightingale) from 1986, when he improvised together with the street singer Friedrich Steinhauer, who called himself “die Nachtigall vom Ramersdorf” (The Nightingale of Ramersdorf), and Luzi Kryn, who became famous through his film THE BED SAUSAGE. The director found the subject through...