B Prometheus Guitar Scale
Guitar scale in Half Step Down tuning — fretboard diagram
B Prometheus in Half Step Down — Notes and Intervals
The B Prometheus scale was developed by the composer Alexander Scriabin as his Mystic Scale. On Guitar, the notes are B, C#, D#, F, G#, A. 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: B, C#, D#, F, G#, A
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
Tuning: Half Step Down (Eb-Ab-Db-Gb-Bb-Eb)
About Half Step Down Tuning
Eb Standard tuning lowers every string by one half step (Eb-Ab-Db-Gb-Bb-Eb), producing a slightly darker, heavier tone while keeping all standard chord shapes and scale patterns intact. This tuning has been the default for some of the greatest guitarists in rock and blues history, including Jimi Hendrix, Stevie Ray Vaughan, and Slash.
The half-step drop reduces string tension, making bending easier and giving a warmer, slightly thicker tone. For vocalists, the lower pitch can make singing more comfortable. Jimi Hendrix tuned to Eb on virtually all of his recordings — from 'Voodoo Child (Slight Return)' to 'Little Wing'. Stevie Ray Vaughan paired Eb tuning with very heavy strings to create his legendary thick tone on classics like 'Pride and Joy' and 'Texas Flood'. Slash used Eb for most Guns N' Roses recordings including 'Sweet Child O' Mine' and 'November Rain'. Alice in Chains also recorded extensively in Eb Standard.
Notable artists: Jimi Hendrix, Stevie Ray Vaughan, Slash (Guns N' Roses), Alice in Chains, Nirvana
Best for: Blues-rock, classic rock, and any style where you want easier bending, slightly darker tone, and full compatibility with standard tuning shapes
Musical Character
Scriabin's 'Mystic Chord' turned into a scale (1, 2, 3, #4, 6, b7). Designed to reflect theosophical beliefs about spiritual transcendence — neither major nor minor, but something beyond both.
Explore This Scale in Other Tunings
- B Prometheus in Standard Tuning
- B Prometheus in Drop D
- B Prometheus in DADGAD
- B Prometheus in Open G
- B Prometheus in Baritone (B Standard)
- B Prometheus in 7-string
- B Prometheus in 8-string
- B Prometheus in Drop C
- B Prometheus in Drop B
- B Prometheus in Open D
- B Prometheus in Open E
- B Prometheus in Open A
- B Prometheus in Double Drop D
- B Prometheus in Open C