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

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