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

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