Can you sing Mack the Knife by Ella Fitzgerald?
Mack the Knife by Ella Fitzgerald is estimated around A#2 to B4, based on Ella Fitzgerald'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.
Not sure whether A#2 or B4 is in your voice? Hum a note and the note finder names it, or watch your pitch live with the pitch detector. Both are free and need no account.
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We do not publish lyrics directly.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 Mack the Knife at karaoke?
Few entries in jazz songs HumMatch tracks stretch as wide as Mack the Knife: its 25-semitone span lands in the top 2%.
Highest and lowest notes
The available song-fit estimate places the low note around A#2 and the high note around B4. If either edge feels tense, try a different key.
Vocal style
B4 is Mack the Knife's ceiling: out of a tenor's comfort zone, but well within an alto's.
Karaoke difficulty
Much of Mack the Knife's 75/100 karaoke-difficulty rating traces back to a range in the top 2% widest for jazz.
Who it likely fits
Shift Mack the Knife's peak down 2 semitones and it lands inside a typical tenor's comfortable range.
Who may struggle
HumMatch is still gathering enough data on this song for a deeper breakdown.
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Range Guide
Mack the Knife is estimated around A#2 to B4. 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
Balanced voices may find this approachable.
Requires versatility, key awareness, and a comfortable upper edge.
Best For
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Karaoke Night
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Songs like Mack the Knife 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 too low, too high, or too exposed, compare it against your Vocal ID for safer picks.
Explore by voice: More songs for C#3-G#4 voicesSongs for tenor voice
Song fit FAQ
HumMatch estimates Mack the Knife at A#2 to B4 (about 25 semitones), based on Ella Fitzgerald'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 Ella Fitzgerald yet. Estimated ranges across 17 songs suggest roughly F#2 to E5 (roughly 2.8 octaves); treat that as an estimate until song-level research lands.
Mack the Knife scores 75/100 for karaoke difficulty on HumMatch, which rates as higher-risk. Much of Mack the Knife's 75/100 karaoke-difficulty rating traces back to a range in the top 2% widest for jazz.
B4 is Mack the Knife's ceiling: out of a tenor's comfort zone, but well within an alto's.
Shift Mack the Knife's peak down 2 semitones and it lands inside a typical tenor's comfortable range.
Mack the Knife 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 Mack the Knife, safer alternatives, and higher-risk picks.
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