A locrian mode
The A locrian mode consists of the A (Perfect unison), A# (Minor second), C (Minor third), D (Perfect fourth), D# (Diminished fifth), F (Minor sixth) and G (Minor seventh) notes.

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