What is Open E tuning?

Open E tuning is E-B-E-G#-B-E (low to high). Strumming all strings open produces an E major chord. Barring any fret gives you a major chord at that position, making it ideal for slide guitar.

What is the difference between Open E and Open D?

Open E and Open D have identical interval structures — Open E is simply Open D tuned up one whole step. Open E sounds brighter and has higher string tension. Open D is gentler on the neck and preferred for acoustic guitars. You can achieve Open E sound by using Open D with a capo at the 2nd fret.

Is Open E safe for acoustic guitars?

Open E puts more tension on the neck than standard tuning because three strings are tuned UP. On acoustic guitars, especially older or lighter-built ones, this extra tension can cause damage over time. Many acoustic players use Open D with a capo at fret 2 instead.

A Phrygian Guitar Scale

Guitar scale in Open E tuning — fretboard diagram

Tuning

Frets

A Phrygian in Open E — Notes and Intervals

The A Phrygian scale is the third mode of the major scale, defined by its immediate dark and tense character. On Guitar, its notes are A, Bb, C, D, E, F, G. It has a strong Spanish or ethnic flavor, making it the definitive sound of Flamenco. In modern contexts, it is widely used in heavy metal to create an aggressive, brooding atmosphere. The diatonic chords of A Phrygian are Am7, BbMaj7, C7, Dm7, Em7b5, FMaj7, Gm7. Commonly used in Flamenco, Metal, Djent, Middle Eastern. Notable players include Al Di Meola, Metallica, Meshuggah, Paco de Lucia. Use over sus(b9), m7 chords in Phrygian contexts. Often played over a droning root note or power chord. The b2 → 1 resolution is the mode's signature move.

Notes: A, Bb, C, D, E, F, G

Intervals: 1P, 2m, 3m, 4P, 5P, 6m, 7m

Degrees: 1 b2 b3 4 5 b6 b7

Formula: H-W-W-W-H-W-W

Number of notes: 7

Tuning: Open E (E-B-E-G#-B-E)

Diatonic Chords

Am7 — B♭Maj7 — C7 — Dm7 — Em7♭5 — FMaj7 — Gm7

About Open E Tuning

Open E tuning (E-B-E-G#-B-E) produces a bright, full E major chord when strummed open. Structurally identical to Open D but tuned a whole step higher, Open E delivers a snappier, more cutting tone that has defined the sound of electric slide guitar in blues-rock and Southern rock.

Duane Allman used Open E on the Allman Brothers Band's legendary 'Statesboro Blues' and 'At Fillmore East' recordings, establishing it as the definitive electric slide tuning. Derek Trucks carries on this tradition as one of the greatest living slide guitarists. The Black Crowes used Open E for 'She Talks to Angels'. Because three strings are tuned UP from standard (the 3rd, 4th, and 5th), Open E puts more tension on the neck than Open D — this is why many acoustic players prefer Open D, while electric players favor Open E for its brighter bite.

Electric BluesSouthern RockBlues-RockSlide GuitarAmericana

Notable artists: Duane Allman, Derek Trucks, The Black Crowes, Bob Dylan, Lynyrd Skynyrd

Best for: Electric slide guitar, Southern rock, blues-rock, and any style that needs bright, singing slide tone with the tonal center of E

Musical Character

DarkAggressiveUrgentExotic

The b2 interval from the root creates an immediate sense of tension and 'danger'. This single semitone is what gives Phrygian its unmistakable flamenco/metal character.

Chord Progressions Using This Scale

i – VII – VI – V (Andalusian Cadence)World / Flamenco — Tension & Drama

Explore This Scale in Other Tunings

← All Guitar scales in Open E tuning