What is Open G tuning?

Open G tuning changes the strings to D-G-D-G-B-D (low to high). Strumming all strings open produces a G major chord. Barring any fret gives you a major chord at that position, which is ideal for slide guitar.

What scales work in Open G tuning?

The G major pentatonic and G blues scale are natural fits. For slide playing, the major scale patterns align perfectly with the open tuning. The Mixolydian mode also works beautifully for a bluesy feel.

Why do slide guitarists use Open G?

Open G makes slide guitar much more intuitive. Since barring across all strings at any fret produces a major chord, you can play melodies and chords simply by moving the slide up and down the neck. This is why it's been the standard tuning for blues slide guitar.

A# Six Tone Symmetric Guitar Scale

Guitar scale in Open G tuning — fretboard diagram

Tuning

Frets

A# Six Tone Symmetric in Open G — Notes and Intervals

The A# Six Tone Symmetric scale is a mathematical abstraction that divides the octave into six equal parts. On Guitar, its notes are A#, B, D, D#, E##, G. It lacks a tonic or a home note, making it perfect for modern composers who want to avoid traditional keys and explore total tonal suspension. Commonly used in Contemporary Classical, Experimental, Avant-Garde. Notable players include Bela Bartok, Olivier Messiaen. Use for atonal or polytonal composition. Not chord-specific — this is a tool for breaking free of traditional harmony.

Notes: A#, B, D, D#, E##, G

Intervals: 1P, 2m, 3M, 4P, 5A, 6M

Degrees: 1 b2 3 4 #5 6

Formula: H-WH-H-WH-H-WH

Number of notes: 6

Tuning: Open G (D-G-D-G-B-D)

About Open G Tuning

Open G tuning (D-G-D-G-B-D) produces a G major chord when strummed open, making it the definitive tuning for slide guitar and delta blues. The tuning's natural consonance means that barring across any fret gives you a major chord, which is why it's been the backbone of blues and roots music for over a century.

From Robert Johnson to Keith Richards, Open G has shaped some of the most iconic music ever recorded. Keith Richards famously removes the low 6th string entirely in this tuning, creating his signature five-string sound on songs like 'Start Me Up' and 'Brown Sugar'. For slide players, Open G is essential — it allows clean, singing slide lines across all strings with minimal effort.

BluesSlide GuitarRockCountryFolkRoots

Notable artists: Keith Richards, Robert Johnson, Ry Cooder, Joni Mitchell, The Black Crowes

Best for: Slide guitar, delta blues, Keith Richards-style rock riffs, and open-string fingerpicking

Musical Character

AbstractSuspendedMathematicalAtonal

Divides the octave into 6 mathematically equal parts — a scale without a home. Perfect for composers who want to intentionally avoid any tonal center.

Explore This Scale in Other Tunings

← All Guitar scales in Open G tuning