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

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