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# Locrian Pentatonic Guitar Scale

Guitar scale in Open G tuning — fretboard diagram

Tuning

Frets

A# Locrian Pentatonic in Open G — Notes and Intervals

The A# Locrian Pentatonic scale is an unstable and mysterious scale used to evoke tension and ambiguity. On Guitar, its notes are A#, C#, D#, E, G#. It is often found in experimental music and certain Indian Ragas, providing a dissonant, outside sound that is perfect for dark, avant-garde, or high-tension compositions. Commonly used in Jazz, Fusion, Experimental, Progressive. Notable players include John Scofield, Kurt Rosenwinkel. Use over m7b5 (half-diminished) chords. Essential for jazz solos over ii chords in minor ii-V-i progressions.

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

Intervals: 1P, 3m, 4P, 5d, 7m

Degrees: 1 b2 3 4 b5

Formula: WH-W-H-4-W

Number of notes: 5

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

Also known as: minor seven flat five pentatonic

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

DarkDissonantTenseMysterious

The darkest pentatonic — contains the b5 that defines the Locrian sound. Excellent for outlining m7b5 chords in jazz with minimal notes.

Explore This Scale in Other Tunings

← All Guitar scales in Open G tuning