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

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