A Prometheus Neapolitan Guitar Scale
Guitar scale in Half Step Down tuning — fretboard diagram
A Prometheus Neapolitan in Half Step Down — Notes and Intervals
The A Prometheus Neapolitan scale is a variation of Scriabin's mystic scale that adds a dark, flattened second degree. On Guitar, it contains the notes A, Bb, C#, D#, F#, G. It combines the otherworldly sound of the Prometheus scale with an extra layer of exotic tension. Commonly used in Contemporary Classical, Experimental, Avant-Garde. Notable players include Alexander Scriabin. Use in atonal or free composition contexts. A specialized tool for experimental music that pushes beyond standard harmony.
Notes: A, Bb, C#, D#, F#, G
Intervals: 1P, 2m, 3M, 4A, 6M, 7m
Degrees: 1 b2 3 #4 5 b6
Formula: H-WH-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
Adds a b2 to Scriabin's Prometheus scale — layering exotic Neapolitan darkness over mystic transcendence.
Explore This Scale in Other Tunings
- A Prometheus Neapolitan in Standard Tuning
- A Prometheus Neapolitan in Drop D
- A Prometheus Neapolitan in DADGAD
- A Prometheus Neapolitan in Open G
- A Prometheus Neapolitan in Baritone (B Standard)
- A Prometheus Neapolitan in 7-string
- A Prometheus Neapolitan in 8-string
- A Prometheus Neapolitan in Drop C
- A Prometheus Neapolitan in Drop B
- A Prometheus Neapolitan in Open D
- A Prometheus Neapolitan in Open E
- A Prometheus Neapolitan in Open A
- A Prometheus Neapolitan in Double Drop D
- A Prometheus Neapolitan in Open C