JoJo
Mezzo-soprano · Pop · R&B · USA · prominent since 2004
How JoJo uses that range
Chest-dominant and thick through the middle, this voice carries real weight up to G5 by widening the pharynx rather than pushing volume. JoJo's runs are metronomic — each note articulated from the diaphragm, not slurred — and her low A2 speaks with honest cord contact instead of fry. She flips cleanly into head voice for color, reserving whistle squeaks as ornament. Imitators usually muscle the larynx up; she keeps it neutral and lets resonance do the lifting.
What is JoJo’s vocal range?
JoJo's vocal range is commonly cited as A2 to A#6 (Bb6) — about 4.1 octaves, or 49 semitones, and is usually classified as mezzo-soprano. Full voice is cited up to around G5; everything above that comes from head voice or whistle register.
Dark, weighty mezzo with gritty low notes, muscular R&B runs, and a belt that punches to G5 without thinning.
- Signature song
- Leave (Get Out)
Reading the numbers
- It is the 3rd widest cited span of the 133 mezzo-sopranos here.
- A2 is a deep floor for a mezzo-soprano — lower than all but 11 of the 133 mezzo-sopranos here.
- The top note beats 97% of the 133 mezzo-sopranos in this library, and sits in whistle register.
- 15 semitones — 31% of the whole span — sit above the cited full-voice ceiling, so much of this range is head voice, falsetto or whistle rather than chest.
- That floor is a full 12 semitones beneath where a mezzo-soprano's range conventionally starts (A3).
Commonly cited figures, not lab measurements — extreme notes are one-off recorded moments, not the singer’s everyday range.
More about JoJo’s voice
How high can JoJo sing?
JoJo is commonly cited singing up to around G5 in full voice, and as high as A#6 (Bb6) overall — the stretch above G5 comes from head voice and whistle register.
What is JoJo’s highest note?
JoJo’s highest note is commonly cited as A#6 (Bb6). That note sits in whistle register.
What is JoJo’s lowest note?
JoJo’s lowest note is commonly cited as A2, heard in Mad Love..
How many octaves can JoJo sing?
JoJo’s commonly cited range spans about 4.1 octaves (49 semitones), from A2 up to A#6. That span is wider than 96% of the 636 voices in this library.
Take the free 2-minute range test — your mic finds your lowest and highest notes, then this page shows exactly how your voice lines up with JoJo’s.
Also bottoming out on A2
66 other voices here are cited to the same floor.