Georgia Brown g2 g10 br Georgia Brown greateast vocal range br Georgia brown guinness book br Georgia Brown vocal range br Georgia Brown HIGH WISTLE br GEORGIA BROWN WISTLE br GEORGIA BROWN NOTES br VOCAL RANGE FEMALE br Eight OCTAVES GUINNESS BOOK VOCAL RANGE FEMALE br GUINNESS WORLD RECORDS VOCAL RANGE FEMALE GEORGIA BROWN BRAZIL SINGER EIGHT OCTAVES G2 TO G10 br SUPER HIGH NOTE FEMALE