About the A sharp Prometheus scale
A sharp Prometheus is used for impressionist and mystical concert music. Think of it as the mystic chord of Scriabin turned into a scale, a raised fourth with no fifth. It is A♯ Whole Tone with the sixth raised.
Its notes are A♯, B♯, D, E, G, and G♯. The formula is W W W 1½ H W.
Also called Mystic Scale and Mystic Chord.
Two of the notes in A♯ Prometheus are black keys, A♯ and G♯. Notably, the raised fourth falls on the white key E. This mode includes a stretch of four consecutive white keys.
Notes and intervals
| 1 | A#A♯ | Root |
|---|---|---|
| 2 | B#B♯ | Major 2nd |
| 3 | DD | Major 3rd |
| 4 | EE | Augmented 4th |
| 5 | GG | Major 6th |
| 6 | G#G♯ | Augmented 6th |
| Steps | W W W 1½ H W |
|---|---|
| Semitones | 2-2-2-3-1-2 |
| Degrees | 1 2 3 ♯4 6 ♯6 |
Shapes
Chromatic
Circle of Fifths
Related scales
Prometheus in other keys
C Prometheus scaleC sharp Prometheus scaleD Prometheus scaleD sharp Prometheus scaleE Prometheus scaleF Prometheus scaleF sharp Prometheus scaleG Prometheus scaleG sharp Prometheus scaleA Prometheus scaleB Prometheus scale
Modes
The same notes, starting on a different note.
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