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

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