Nine Below Zero by Sonny Boy Williamson II
Nine Below Zero by Sonny Boy Williamson II is estimated around C3 to A4, based on Sonny Boy Williamson II's typical range; song-level verification is pending. Measure your own range free to see how this song fits your voice.
Estimated from the artist’s full range, which likely spans multiple singers or harmonies; the lead melody is probably narrower. Verification pending.
Practice before you pick it.
We do not publish lyrics directly. Find a karaoke version on YouTube, then come back to compare the song against your Vocal ID.
Can I sing Nine Below Zero at karaoke?
Spanning 21 semitones, Nine Below Zero ranks among the top 1% widest in Chicago Blues songs HumMatch tracks.
Highest and lowest notes
The available song-fit estimate places the low note around C3 and the high note around A4. If either edge feels tense, try a different key.
Vocal style
On Nine Below Zero, A4 climbs past what's comfortable for a baritone, though a tenor can reach it without strain.
Karaoke difficulty
Nine Below Zero rates 22/100 for karaoke familiarity, less than the 50/100 median for the typical Chicago Blues song HumMatch tracks.
Who it likely fits
Nine Below Zero's 55/100 difficulty score largely comes down to that top-1%-widest span for Chicago Blues.
Who may struggle
A 4-semitones drop would put Nine Below Zero's peak note inside a typical baritone's comfortable range.
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Range Guide
Nine Below Zero is estimated around C3 to A4. Compare that with your Vocal ID before choosing the original key. If your comfortable high note is below the song’s hardest section, try a lower key or one of the safer alternatives below.
Perfect For These Voice Types
Vocal fit not yet researched -- check the range against your Vocal ID.
Best when your Vocal ID overlaps the main melody without strain.
Best For
Road Trip
Shared playlist pick
Practice
Build confidence
Karaoke Night
Room-friendly planning
Try Transposing Lower
If the chorus or highest phrase feels tight, shift the song down a few semitones before performing. Most karaoke apps let you adjust pitch.
Songs like Nine Below Zero you can sing
Range labels come from HumMatch’s researched catalog. Take the free vocal range test to see your % on every one of these.
Easier alternatives
If it feels high, try a lower key or start with an easier song from the same artist or genre.
Similar songs
Ben E. King · G2 to G4 · easier
Sweet CarolineNeil Diamond · A2 to G#4 · easier
How Sweet It Is (To Be Loved by You)Marvin Gaye · A#2 to A4 · easier
Since You’ve Been Gone (Sweet Sweet Baby)Aretha Franklin · E3 to E5 · easier
I Never Loved a Man (The Way I Love You)Aretha Franklin · D#3 to D#5 · easier
Song fit FAQ
HumMatch estimates Nine Below Zero at C3 to A4 (about 21 semitones), based on Sonny Boy Williamson II's typical performed range; song-level verification is pending. Compare it against your own Vocal ID and test the chorus first.
HumMatch has not verified a researched vocal range for Sonny Boy Williamson II yet. Estimated ranges across 7 songs suggest roughly C3 to A4 (roughly 1.8 octaves); treat that as an estimate until song-level research lands.
Nine Below Zero scores 55/100 for karaoke difficulty on HumMatch, which rates as moderate. Nine Below Zero rates 22/100 for karaoke familiarity, less than the 50/100 median for the typical Chicago Blues song HumMatch tracks.
On Nine Below Zero, A4 climbs past what's comfortable for a baritone, though a tenor can reach it without strain.
Nine Below Zero's 55/100 difficulty score largely comes down to that top-1%-widest span for Chicago Blues.
Nine Below Zero may work at karaoke if the original key sits comfortably for you and you know where the risky chorus or low phrases happen.
Hum 3 notes in HumMatch and compare your Vocal ID against Nine Below Zero, safer alternatives, and higher-risk picks.
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