What is Open A tuning?

Open A tuning is E-A-E-A-C#-E (low to high). Strumming all strings produces an A major chord. It's structurally the same as Open G but one whole step higher.

Is Open A the same as Open G with a capo?

Yes, musically they are identical — Open G with a capo at fret 2 gives you the same pitches as Open A. Many players use this approach. Without a capo, Open A has higher string tension which some slide players prefer for better control.

What scales work in Open A?

The A major pentatonic and A blues scale are natural choices. A Mixolydian gives a bluesy feel, and the A major scale works for country and folk styles.

Escala de Re Locria para Guitar

Escala de Guitar en afinación Open A — diagrama de diapasón

Afinación

Trastes

Re Locria en Open A — Notas e Intervalos

La escala Locria de D es el séptimo modo de la mayor y el más inestable de todos — su acorde base es una tríada disminuida. En Guitar, las notas son D, Eb, F, G, Ab, Bb, C. Suena disonante e irresuelta. No la vas a usar como tonalidad principal casi nunca, pero es crucial para improvisar sobre acordes semidisminuidos en pasajes de jazz con mucha tensión. Los acordes diatónicos de D Locria son Dm7b5, EbMaj7, Fm7, Gm7, AbMaj7, Bb7, Cm7. Usada comúnmente en Jazz, Metal, Experimental, Avant-Garde. Entre los intérpretes destacados se encuentran John Coltrane, Meshuggah, Dream Theater. Use over m7b5 (half-diminished) chords. Essential for jazz ii-V-i in minor keys where the ii chord is half-diminished.

Notas: Re, Mib, Fa, Sol, Lab, Sib, Do

Intervalos: 1P, 2m, 3m, 4P, 5d, 6m, 7m

Grados: 1 b2 b3 4 5 b6 b7

Fórmula: H-W-W-H-W-W-W

Número de notas: 7

Afinación: Open A (E-A-E-A-C#-E)

Acordes Diatónicos

Dm7♭5 — E♭Maj7 — Fm7 — Gm7 — A♭Maj7 — B♭7 — Cm7

Acerca de la Afinación Open A

Open A tuning (E-A-E-A-C#-E) produces an A major chord when strummed open. It is structurally identical to Open G tuned up one whole step, delivering a brighter, more tense sound that works particularly well for slide guitar centered on the key of A.

Jimmy Page used Open A with a slide on Led Zeppelin's 'In My Time of Dying' from Physical Graffiti (1975). Rory Gallagher also employed Open A for his raw, energetic slide work. Many players achieve Open A by simply placing a capo at the 2nd fret in Open G tuning, which is why dedicated Open A usage is less commonly discussed. However, without a capo, Open A gives direct access to the open A string resonance and a different feel under the fingers due to the higher tension.

BluesSlide GuitarRockDelta Blues

Artistas destacados: Jimmy Page, Rory Gallagher, Delta blues players

Ideal para: Slide guitar in the key of A, blues playing, and situations where you need the brightness of Open G tuned up without a capo

Carácter Musical

UnstableDissonantDarkTense

The only mode with a diminished 5th (b5) from the root, making its home chord a diminished triad. This instability means Locrian is almost never used as a key center — it is a tool for tension.

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