fuaranScale Mastery
SCALE · ON FRENCH HORN

D♯ Hirajoshi

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

MEIMIDIHumdrum
Choose a root
Meter:Octave per barCrotchets in 4/4Quavers in 4/4Triplets in 4/4
Engraved by Verovio 6.2.0-43f8060 4 title D♯ Hirajoshi
Engraved by Verovio 6.2.0-43f8060 2 3 4 5 title D♯ Hirajoshi
Verovio
Tempo120 bpm

Playback sounds a perfect 5th below the written notation — the instrument's concert (sounding) pitch.

Audio source: FluidR3_GM SoundFont (public domain)

FingeringFollows the scale as it plays — written pitch, matches the staff
D♯thumb trigger — B♭ sideT123partial 5right hand rests in the bell — shading pulls sharp notes down; stopping raises the F-side pitch a semitone (finger a half-step low)bellopen
Harmonic seriesTube of the tonic fingering — D♯ sounds partial 5
partial 1 — B1 (+0¢)1partial 2 — B2 (+0¢)2partial 3 — F♯3 (+2¢)3partial 4 — B3 (+0¢)4partial 5 — D♯4 (-14¢)5partial 6 — F♯4 (+2¢)6partial 7 — A4 (-31¢)7-31¢partial 8 — B4 (+0¢)8partial 9 — C♯5 (+4¢)9partial 10 — D♯5 (-14¢)10partial 11 — F5 (-49¢)11-49¢partial 12 — F♯5 (+2¢)12
Related scales
Same scale, other instruments
Same scale, other tonics
Modes built on this tonic
Compare with
Theory reference
Questions
What notes are in the D♯ Hirajoshi scale?

The D♯ Hirajoshi scale uses the notes D♯, E♯, F♯, A♯, B (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 D♯ to get the D♯ Hirajoshi scale.

What chords work over D♯ 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 D♯ Hirajoshi on French Horn?

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.