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

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Piano keyboard highlighting the B♭ Hirajōshi scale notesCFCFD♭G♭B♭D♭G♭B♭B♭ Hirajōshi - B♭ · C · D♭ · F · G♭

B♭ Hirajōshi on the guitar

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Position:
Guitar fretboard highlighting the B♭ Hirajōshi scale noteseBGDAEFG♭B♭CD♭CD♭FG♭B♭B♭CD♭FG♭FG♭B♭CD♭B♭CD♭FG♭FG♭B♭CD♭B♭ Hirajōshi - fr 012

B♭ Hirajōshi on the staff

Hear the B♭ Hirajōshi scale

B♭ Hirajōshi
B♭ · C · D♭ · F · G♭
B♭CD♭FG♭

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♭(Bb)
22M2C
33m3D♭(Db)
45P7F
56m8G♭(Gb)

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.