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

How to play the D blues scale
- Find D (Root) on the piano keyboard
- Play F (Minor third) — 3 semitones above D
- Play G (Perfect fourth) — 5 semitones above D
- Play G# (Diminished fifth) — 6 semitones above D
- Play A (Perfect fifth) — 7 semitones above D
- Play C (Minor seventh) — 10 semitones above D
- Play all 6 notes in ascending order to perform the D blues scale