Question: what is 5 octave vocal range?
Answer: But apparently, he covers less than 5 octaves. According to ConcertHotels.com in The Vocal Ranges of the Greatest Singers , there are only two singers with 5 octaves or more: Axl Rose of Guns N' Roses – 5 octaves, 2½ notes (F1 to B♭6) Mariah Carey – 5 octaves, 1 note (F2 to G7)