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

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