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 Sol Prometheus Napolitana para Guitar

Escala de Guitar en afinación Open A — diagrama de diapasón

Afinación

Trastes

Sol Prometheus Napolitana en Open A — Notas e Intervalos

La escala Prometheus Napolitana de G es una variación de la escala mística de Scriabin que añade una segunda rebajada oscura. En Guitar, las notas son G, Ab, B, C#, E, F. Combina el sonido ultraterreno del Prometheus con una capa adicional de tensión exótica. Muy específica, pero fascinante. Usada comúnmente en Contemporary Classical, Experimental, Avant-Garde. Entre los intérpretes destacados se encuentran Alexander Scriabin. Use in atonal or free composition contexts. A specialized tool for experimental music that pushes beyond standard harmony.

Notas: Sol, Lab, Si, Do#, Mi, Fa

Intervalos: 1P, 2m, 3M, 4A, 6M, 7m

Grados: 1 b2 3 #4 5 b6

Fórmula: H-WH-W-WH-H-W

Número de notas: 6

Afinación: Open A (E-A-E-A-C#-E)

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

Dark-MysticalExoticOtherworldlyTense

Adds a b2 to Scriabin's Prometheus scale — layering exotic Neapolitan darkness over mystic transcendence.

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