A# Prometheus Piano Scale
Piano scale diagram
A# Prometheus Scale — Notes and Intervals
The A# Prometheus scale was developed by the composer Alexander Scriabin as his Mystic Scale. On Piano, the notes are A#, C, D, E, G, G#. It is a synthetic hexatonic system designed to reflect his theosophical beliefs and reveal spiritual truths that exist beyond human conceptualization. Commonly used in Contemporary Classical, Impressionist, Experimental, Film Scores. Notable players include Alexander Scriabin, George Crumb. Use over the Mystic Chord (C-F#-Bb-E-A-D) and its inversions. Also works over 7#11 chords as a sophisticated alternative to Lydian Dominant.
Notes: A#, C, D, E, G, G#
Intervals: 1P, 2M, 3M, 4A, 6M, 7m
Degrees: 1 2 3 #4 5 b6
Formula: W-W-W-WH-H-W
Number of notes: 6
How to Play A# Prometheus on Piano
On piano, the A# Prometheus scale uses 2 black keys. Start with your thumb on A# and use the black keys as landmarks for consistent finger placement. Standard major or minor fingering patterns apply.
The A# Prometheus scale contains 2 sharps (A#, G#). This scale does not follow a traditional major or minor key signature, so reading from sheet music may require accidentals.
Practice Routine
Practice the A# Prometheus scale by playing it ascending with one rhythmic feel (straight eighth notes) and descending with another (swing or triplets) at 80 BPM. This dual approach trains both technical accuracy and rhythmic versatility with the 6 notes of the scale.
Experiment with simple two-chord vamps rooted on A# to let the characteristic intervals of the Prometheus scale come through clearly.
Piano Tips
On piano, practice the A# Prometheus scale hands together in contrary motion (one hand ascending, the other descending). This builds independence and strengthens your awareness of the scale's symmetry.
The A# Prometheus scale contains 6 notes (A#, C, D, E, G, G#). Use the interactive piano diagram above to explore this scale on Piano.