Given the question: Facts: - instrument: vocals - death place: frankfurt , germany - birth name: hans-rolf rippert - death date: 27 february 2008 - genre: international music , folk music - birth date: 31 july 1931 - name: ivan rebroff - background: solo_singer - image: yvan rebroff01.jpg - birth place: berlin , germany - occupation: singer Based on these bullet points, write a short biography describing the life of ivan rebroff .
The answer is:
'' for the kyrgyz politician , see ivan rebrov . ''ivan rebroff -lrb- 31 july 193127 february 2008 -rrb- was a german singer , allegedly of russian ancestry , with an extraordinary vocal range of four and a half octaves , ranging from the soprano to bass registers .