E dorian b9 scale
The E dorian b9 scale consists of the E (Perfect unison), F (Minor second), G (Minor third), A (Perfect fourth), A# (Diminished fifth), C# (Major sixth) and D (Minor seventh) notes.

How to play the E dorian b9 scale
- Find E (Root) on the piano keyboard
- Play F (Minor second) — 1 semitone above E
- Play G (Minor third) — 3 semitones above E
- Play A (Perfect fourth) — 5 semitones above E
- Play A# (Diminished fifth) — 6 semitones above E
- Play C# (Major sixth) — 9 semitones above E
- Play D (Minor seventh) — 10 semitones above E
- Play all 7 notes in ascending order to perform the E dorian b9 scale