About the G flat Scriabin scale
G flat Scriabin is used for impressionist and mystical concert music. Think of it as a five-note scale from the late, mystical harmony of Scriabin. It is G♭ Major Pentatonic with the second lowered.
Its notes are G♭, G, B♭, D♭, and E♭. The formula is H 1½ 1½ W 1½.
Also called Major Pentatonic ♭2 and Vibhas.
G♭ Scriabin uses four black keys on the piano, G♭, B♭, D♭, and E♭.