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

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