Rosita Serrano

Rosita Serrano (born María Martha Esther Aldunate del Campo, 10 June 1912 – 6 April 1997) was a Chilean singer who had her biggest success in Nazi Germany between the 1930s and the early 1940s. Because of her bell-like voice and pitch-perfect whistling she received the nickname Chilenische Nachtigall (Chilean Nightingale).