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

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