What is Eb Standard tuning?

Eb Standard lowers every string by one half step from standard tuning: Eb-Ab-Db-Gb-Bb-Eb (low to high). All chord shapes and scale patterns work exactly the same as standard tuning — everything just sounds a half step lower.

Why did Hendrix tune to Eb?

Hendrix tuned to Eb for a combination of reasons: the slightly reduced tension made his aggressive bending style easier, the lower pitch gave a darker and heavier tone, and it better suited his vocal range. Nearly all of his studio recordings use Eb Standard.

Do I need different strings for Eb Standard?

No, standard gauge strings work perfectly in Eb. The slightly reduced tension is actually an advantage — bends are easier and the guitar feels more responsive. Some players, like SRV, used heavier strings in Eb for extra thickness.

C Prometheus Guitar Scale

Guitar scale in Half Step Down tuning — fretboard diagram

Tuning

Frets

C Prometheus in Half Step Down — Notes and Intervals

The C Prometheus scale was developed by the composer Alexander Scriabin as his Mystic Scale. On Guitar, the notes are C, D, E, F#, A, Bb. 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: C, D, E, F#, A, Bb

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.

Blues-RockClassic RockHard RockGrungeBlues

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

MysticalSpiritualComplexTranscendent

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

← All Guitar scales in Half Step Down tuning