F Hirajoshi
Japanese 5-note dark scale — 1 2 ♭3 5 ♭6. Characteristically pensive.
Playback sounds a major 2nd below the written notation — the instrument's concert (sounding) pitch.
Audio source: tonejs-instruments by Nick Brosowsky (MIT)
What notes are in the F Hirajoshi scale?
The F Hirajoshi scale uses the notes F, G, A♭, C, D♭ (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 F to get the F Hirajoshi scale.
What chords work over F 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 F Hirajoshi on Trumpet in Bb?
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.