B♯ Hirajōshi scale

The B♯ Hirajōshi scale is a 5-note hirajōshi scale built on the root B♯. Its notes are B♯, C𝄪, D♯, F𝄪 and G♯. Japanese pentatonic scale with a contemplative, koto-like atmosphere. This page covers the formula, fingerings, diatonic chords and common progressions that make B♯ Hirajōshi a great tool for improvising and composing.

Short answer

Hirajōshi is one of the most recognisable Japanese pentatonic scales - instantly evokes koto, shamisen and traditional folk music. Built on the root B♯, the scale takes on the specific colour and pitch range of that key - making it especially useful in genres and registers where B♯ is a comfortable tonal centre.

Notes
B♯ · C𝄪 · D♯ · F𝄪 · G♯
Formula
1P · 2M · 3m · 5P · 6m
Step pattern
W H 2W H 2W
Tonic
B♯

B♯ Hirajōshi on the piano

Show:
Piano keyboard highlighting the B♯ Hirajōshi scale notesB♯C𝄪F𝄪B♯C𝄪F𝄪D♯G♯D♯G♯B♯ Hirajōshi - B♯ · C𝄪 · D♯ · F𝄪 · G♯

B♯ Hirajōshi on the guitar

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Position:
Guitar fretboard highlighting the B♯ Hirajōshi scale noteseBGDAEF𝄪G♯B♯C𝄪D♯B♯C𝄪D♯F𝄪G♯F𝄪G♯B♯C𝄪D♯F𝄪C𝄪D♯F𝄪G♯B♯C𝄪B♯C𝄪D♯F𝄪G♯F𝄪G♯B♯C𝄪D♯B♯ Hirajōshi - fr 012

B♯ Hirajōshi on the staff

Hear the B♯ Hirajōshi scale

B♯ Hirajōshi
B♯ · C𝄪 · D♯ · F𝄪 · G♯
B♯C𝄪D♯F𝄪G♯

Improvisation drone

Loop the root note as a pad to practice improvising over this scale.

B♯ Hirajōshi
B♯

Notes of the B♯ Hirajōshi scale

DegreeIntervalSemitonesNoteHear
11P0B♯(B#)
22M2C𝄪(C##)
33m3D♯(D#)
45P7F𝄪(F##)
56m8G♯(G#)

How to use the B♯ Hirajōshi scale

Because B♯ Hirajōshi has fewer or more than seven notes, it doesn't produce a standard set of seven diatonic triads. Instead, build chords by stacking thirds within the scale or use it as a melodic colour over chords drawn from a related diatonic key.

Hirajōshi is one of the most recognisable Japanese pentatonic scales - instantly evokes koto, shamisen and traditional folk music.

Practice tips

Hirajōshi rewards slow, expressive playing. Try ringing each note out for several seconds before moving on, like a koto player would.

Where you will hear B♯ Hirajōshi

B♯ Hirajōshi appears throughout hirajōshi is one of the most recognisable japanese pentatonic scales - instantly evokes koto, shamisen and traditional folk music. Listening to music in this scale and transcribing short phrases is the fastest way to absorb its sound.

Formula & step pattern

Formula
1P · 2M · 3m · 5P · 6m
Step pattern
W - H - 2W - H - 2W

The B♯ Hirajōshi scale follows a five-note scale with intervals 1, 2, ♭3, 5, ♭6 evoking traditional koto music. Step pattern: W - H - 2W - H - 2W. Intervals from the root: 1P · 2M · 3m · 5P · 6m. Memorising the formula lets you transpose the scale to any other root note quickly.

Questions people ask

What notes are in the B♯ Hirajōshi scale?
The B♯ Hirajōshi scale contains B♯, C𝄪, D♯, F𝄪 and G♯.
What is the formula for the B♯ Hirajōshi scale?
B♯ Hirajōshi follows a five-note scale with intervals 1, 2, ♭3, 5, ♭6 evoking traditional koto music.
Is B♯ Hirajōshi a major or minor scale?
B♯ Hirajōshi is a hirajōshi scale. Japanese pentatonic scale with a contemplative, koto-like atmosphere.
What chords belong to the B♯ Hirajōshi scale?
B♯ Hirajōshi doesn't produce a standard seven-chord diatonic set. Use chords from a related diatonic scale instead.
Which genres use B♯ Hirajōshi?
Hirajōshi is one of the most recognisable Japanese pentatonic scales - instantly evokes koto, shamisen and traditional folk music.
How do I practise the B♯ Hirajōshi scale?
Hirajōshi rewards slow, expressive playing. Try ringing each note out for several seconds before moving on, like a koto player would.