Hildegard Frieda Albertine Knef (December 28, 1925 – February 1, 2002) was a German actress, singer, and writer. (…) In the 1960s and 1970s, she enjoyed considerable success as a singer of German chansons, which she often co-wrote. The song she is mostly remembered for is "Für mich soll's rote Rosen regnen" ("Red roses are to rain for me"). She is also known for her version of the song "Ich hab noch einen Koffer in Berlin" ("I still have a suitcase in Berlin") and "Mackie Messer" ("Mack the knife"). She sold more than three million records in total.