The Vocal Ranges of the World's Greatest Singers
This interactive chart is incredible. Who knew Axl Rose was so versatile1, or that he has a lower recorded low note than the Man, himself, Barry White.
I appreciate that the data here is based on recordings and not reported capability, as anyone cay say "I have a five-octave vocal range", but Axl Rose and Mariah Carey have proof.
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Apparently both Rolling Stone and NME did.↩