Greatest vocal range by a female

According to Official Guinness Records,

Georgia Brown (Brazil), has a vocal range of eight octaves, extending from G2 to G10, as verified at Aqui Jazz Atelier Music School in Sao Paulo, Brazil, on 18 August 2004.
The highest note that she hit, the G10, is techincally not a musical note but a frequency. The full range was verified by music experts using a piano, violin and Hammond organ.

For a complete list of 2004 records, please visit 2004 Guinness Records in Brazil.

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