F# phrygian b4 scale
The F# phrygian b4 scale consists of the F# (Perfect unison), G (Minor second), A (Minor third), A# (Major third), C# (Perfect fifth), D (Minor sixth) and E (Minor seventh) notes.

Notes in order
- F# — Perfect unison
- G — Minor second
- A — Minor third
- A# — Major third
- C# — Perfect fifth
- D — Minor sixth
- E — Minor seventh