A Hirajoshi Piano Scale
Piano scale diagram
A Hirajoshi Scale — Notes and Intervals
The A Hirajoshi scale is the most iconic Japanese scale, originally used for tuning the koto. On Piano, it contains the notes A, B, C, E, F. Its poignant intervals create a wistful, traditional sound that has been adopted by rock guitarists to add an oriental edge to modern music. Commonly used in Japanese, Rock, Metal, Ambient, Film Scores. Notable players include Joe Satriani, Marty Friedman, Miyavi. Use over minor chords, sus2, and open string drones. Works beautifully with ambient effects and reverb for atmospheric textures.
Notes: A, B, C, E, F
Intervals: 1P, 2M, 3m, 5P, 6m
Degrees: 1 2 b3 4 b5
Formula: W-H-4-H-4
Number of notes: 5
How to Play A Hirajoshi on Piano
On piano, the A Hirajoshi scale uses 0 black keys. Playing entirely on white keys, this is one of the most physically comfortable scales to learn. Use the standard 1-2-3-1-2-3-4-5 fingering for the right hand.
The A Hirajoshi scale uses no sharps or flats, consisting entirely of natural notes. This scale does not follow a traditional major or minor key signature, so reading from sheet music may require accidentals.
Practice Routine
Set a metronome to 80 BPM and play the A Hirajoshi scale in groups of four notes, shifting the starting note each repetition. This builds muscle memory across the entire scale range. After a week, try improvising short 4-bar phrases using only these notes.
This scale works well over simple power chord progressions or a 12-bar blues in A. Try a A5 - E5 - F5 progression.
Piano Tips
On piano, practice the A Hirajoshi scale hands together in contrary motion (one hand ascending, the other descending). This builds independence and strengthens your awareness of the scale's symmetry.
The A Hirajoshi scale contains 5 notes (A, B, C, E, F). Use the interactive piano diagram above to explore this scale on Piano.