A prometheus Scale — Guitar Fretboard Visualization

Low E string: F#, G, A, B, C#, D# at frets 2, 3, 5, 7, 9, 11

A string: A, B, C#, D#, F#, G, A at frets 0, 2, 4, 6, 9, 10, 12

D string: D#, F#, G, A, B, C# at frets 1, 4, 5, 7, 9, 11

G string: G, A, B, C#, D#, F#, G at frets 0, 2, 4, 6, 8, 11, 12

B string: B, C#, D#, F#, G, A, B at frets 0, 2, 4, 7, 8, 10, 12

High E string: F#, G, A, B, C#, D# at frets 2, 3, 5, 7, 9, 11

Pick a root note

Pick a scale

A prometheus

The prometheus scale is Scriabin's mystic chord laid out as a six note scale: root, 2nd, major 3rd, raised 4th, 6th, flat 7th. It is the lydian dominant sound with the 5th removed, which unmoors it: bright, whole-tone leaning and never quite resolving. Use it over 7#11 or 13#11 chords, or for harmonically suspended interludes.

it consists of these notes and degrees:

A

I

B

II

C♯

III

D♯

#IV

F♯

VI

G

bVII

tip
  • This is the mystic chord as a scale: stack it in 4ths from A (root, #IV (D#), bVII (G), III, VI, II) to hear it as Scriabin voiced it.
  • Over a 13#11 chord, every note lands; with no 5th in the scale, nothing anchors, which is exactly the floating effect.
  • Treat II and VI as melodic pivots between the whole-tone-flavored lower notes and the dominant color of bVII (G).
  • Resolve by half step: #IV (D#) up to the 5th of the next chord, or bVII (G) down to its 3rd; the scale exits gracefully despite its float.

How to play A prometheus on guitar

Open A anchors the root with open G and open B close behind at the minor seventh and major second, so a three-string drone stack comes free. E-shape barre lines both E string roots up at fret 5, with the D string following at fret 7. G string repeats the root at fret 2, which means low phrases can resolve without leaving position. Position one wraps at fret 9.

homeall scalesaboutfaqpricingmicrotonalterms & conditionsprivacy policycookie policy© 2026 StringScales. All rights reserved.