fuaranScale Mastery
SCALE · ON TROMBONE

B♯ Hirajoshi

Japanese 5-note dark scale — 1 2 ♭3 5 ♭6. Characteristically pensive.

MEIMIDIHumdrum
Choose a root
Tempo120 bpm

Audio source: tonejs-instruments by Nick Brosowsky (MIT)

Engraved by Verovio 6.2.0-43f8060 5 title B♯ Hirajoshi Verovio
Keyboard
B♯C𝄪F𝄪B♯C𝄪F𝄪B♯C𝄪F𝄪B♯D♯G♯D♯G♯D♯G♯
Related scales
Same scale, other instruments
Same scale, other tonics
Modes built on this tonic
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Theory reference
Questions
What notes are in the B♯ Hirajoshi scale?

The B♯ Hirajoshi scale uses the notes B♯, C𝄪, D♯, F𝄪, G♯ (one octave; the pattern repeats at higher registers).

What's the Hirajoshi scale formula?

The Hirajoshi scale follows the interval pattern W H 4 H 4, where W = whole step (2 semitones) and H = half step (1 semitone). Apply that pattern starting on B♯ to get the B♯ Hirajoshi scale.

What chords work over B♯ Hirajoshi?

Try chord pairings derived from the scale's third, fifth, and seventh degrees as roots — they share the most diatonic notes.

How do I finger B♯ Hirajoshi on Trombone?

On brass, scales train embouchure + valve / slide coordination across the partials. Slow practice with a tuner reveals intonation tendencies (e.g., the 5th partial sharp on trumpet).

When would I use the Hirajoshi scale?

Japanese 5-note dark scale — 1 2 ♭3 5 ♭6. Characteristically pensive.