Answer the following question: Facts: - death place: los angeles , usa - bgcolour: silver - years active: 1942 -- 2007 - caption: elfi awards '' 2000 von dassanowsky at the wic '' living legacy - birth name: elfriede maria elisabeth charlotte von dassanowsky - death date: 2 october 2007 - birth date: 2 february 1924 - name: elfi von dassanowsky - citizenship: austrian , american - nationality: austrian - image: elfi_von_dassanowsky_in_2000 . jpg - birth place: vienna , austria 25px - religion: roman catholic - occupation: film producer , opera singer , pianist , educator Based on these bullet points, write a short biography describing the life of elfi von dassanowsky .
Answer:
elfriede '' elfi '' von dassanowsky -lrb- february 2 , 1924october 2 , 2007 -rrb- was an austrian-born singer , pianist , film producer and humanitarian .