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

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