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Song vocal range · J-Rock

"Fighter" by KANA-BOON — Vocal Range & Karaoke Key

The vocal range of "Fighter" by KANA-BOON is E3 to A4 (17 semitones, about 1.4 octaves). The highest chest-voice note is A4. Original key: C.

Notes are in scientific pitch notation (C4 = middle C). Japanese karaoke notation is shown in parentheses.

Highest noteA4 (hiA)
Lowest noteE3 (mid1E)
Chest-voice ceilingA4 (hiA)
Range17 semitones ≈ 1.4 octaves
Original keyC
BPM175
GenreJ-Rock

Can you sing it in the original key?

KKTI measures real voices (free, 30 seconds). The verdicts below use the measured averages: a comfortable chest-voice ceiling of about C5 for men (n=45) and D#5 for women (n=100), compared with this song's chest-voice ceiling of A4.

Male singer (average)
Original key works (headroom +3)
Female singer (average)
Original key works (headroom +6)

Averages hide a 3–4 semitone spread between singers. The table below gives the key for your ceiling.

Recommended key by your highest chest-voice note

Your highest chest-voice noteRecommended key for this song
E4Transpose down 5 semitones (key −5)
F4Transpose down 4 semitones (key −4)
F#4Transpose down 3 semitones (key −3)
G4Transpose down 2 semitones (key −2)
G#4Transpose down 1 semitone (key −1)
A4Original key, just barely (headroom +0)
A#4Original key, just barely (headroom +1)
B4Original key works (headroom +2)
C5Original key works (headroom +3)
C#5Original key works (headroom +4)
D5Original key works (headroom +5)
D#5Original key works (headroom +6)
E5Original key works (headroom +7)
F5Original key works (headroom +8)
F#5Original key works (headroom +9)
G5Original key works (headroom +10)
G#5Original key works (headroom +11)
A5Original key works (headroom +12)

"Key −3" means transposing the song down three semitones on the karaoke machine. Lowering the key also lowers the lowest note (E3 in the original key), so very wide songs can sink in the verses.

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Reading the numbers

The range is the distance from the lowest to the highest sung note in the original recording. The chest-voice ceiling is the highest note sung without falsetto; it is what decides whether the chorus is comfortable. Japanese karaoke apps write notes as lowA–lowG#, mid1A–mid1G#, mid2A–mid2G#, hiA–hiG#, hihiA–hihiG#: mid2G = G4, hiA = A4, hiC = C5, hihiA = A5.

FAQ

What is the vocal range of "Fighter" by KANA-BOON?

E3 to A4 — 17 semitones (about 1.4 octaves). The highest chest-voice note is A4.

Can a male singer sing "Fighter" in the original key?

Based on KKTI's measured average for male singers (comfortable chest ceiling around C5, n=45): Original key works (headroom +3). Individual ranges vary by 3–4 semitones, so measure your own ceiling first.

What key should a female singer use for "Fighter"?

Based on KKTI's measured average for female singers (comfortable chest ceiling around D#5, n=100): Original key works (headroom +6).

More songs

All 200 songs with vocal ranges (EN) → · 「Fighter」の日本語ページ →