A# hirajoshi scale
The A# hirajoshi scale consists of the A# (Perfect unison), D (Major third), E (Diminished fifth), F (Perfect fifth) and A (Major seventh) notes.

How to play the A# hirajoshi scale
- Find A# (Root) on the piano keyboard
- Play D (Major third) — 4 semitones above A#
- Play E (Diminished fifth) — 6 semitones above A#
- Play F (Perfect fifth) — 7 semitones above A#
- Play A (Major seventh) — 11 semitones above A#
- Play all 5 notes in ascending order to perform the A# hirajoshi scale