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

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