アンハッピーリフレイン (Unhappy Refrain) by Mafumafu
アンハッピーリフレイン (Unhappy Refrain) by Mafumafu is estimated around C3 to A4, based on Mafumafu'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We do not publish lyrics directly.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 アンハッピーリフレイン (Unhappy Refrain) at karaoke?
Few entries in Vocaloid cover songs HumMatch tracks stretch as wide as アンハッピーリフレイン (Unhappy Refrain): its 21-semitone span lands in the top 1%.
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
A baritone would need to stretch for アンハッピーリフレイン (Unhappy Refrain)'s peak note (A4), but it lands comfortably for a tenor.
Karaoke difficulty
Much of アンハッピーリフレイン (Unhappy Refrain)'s 55/100 karaoke-difficulty rating traces back to a range in the top 1% widest for Vocaloid cover.
Who it likely fits
Shift アンハッピーリフレイン (Unhappy Refrain)'s peak down 4 semitones and it lands inside a typical baritone'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
アンハッピーリフレイン (Unhappy Refrain) 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
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Practice
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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 アンハッピーリフレイン (Unhappy Refrain) 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.
Song fit FAQ
HumMatch estimates アンハッピーリフレイン (Unhappy Refrain) at C3 to A4 (about 21 semitones), based on Mafumafu'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 Mafumafu 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.
アンハッピーリフレイン (Unhappy Refrain) scores 55/100 for karaoke difficulty on HumMatch, which rates as moderate. Much of アンハッピーリフレイン (Unhappy Refrain)'s 55/100 karaoke-difficulty rating traces back to a range in the top 1% widest for Vocaloid cover.
A baritone would need to stretch for アンハッピーリフレイン (Unhappy Refrain)'s peak note (A4), but it lands comfortably for a tenor.
Shift アンハッピーリフレイン (Unhappy Refrain)'s peak down 4 semitones and it lands inside a typical baritone's comfortable range.
アンハッピーリフレイン (Unhappy Refrain) 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 アンハッピーリフレイン (Unhappy Refrain), safer alternatives, and higher-risk picks.
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