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 Do# Modo de Messiaen #3 para Guitar

Escala de Guitar en afinación Open A — diagrama de diapasón

Afinación

Trastes

Do# Modo de Messiaen #3 en Open A — Notas e Intervalos

La escala Modo de Messiaen #3 de C# es una escala simétrica de nueve notas de Olivier Messiaen. En Guitar, las notas son C#, D#, E, F, G, G#, A, B, C. Crea una tonalidad cósmica y suspendida que se siente religiosa y científica a la vez — evoca una sensación de asombro divino. Para los que buscan algo realmente fuera de lo común. Usada comúnmente en Contemporary Classical, Film Scores, Ambient, Experimental. Entre los intérpretes destacados se encuentran Olivier Messiaen, Gyorgy Ligeti, Thomas Ades. Use for creating atmospheres of 'cosmic awe'. Not bound to traditional chord progressions — works best over sustained harmonies or ostinato patterns.

Notas: Do#, Re#, Mi, Fa, Sol, Sol#, La, Si, Do

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

Grados: 1 2 b3 4 #5 6 b7 b8 9

Fórmula: W-H-H-W-H-H-W-H-H

Número de notas: 9

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

CosmicSuspendedDivineCrystalline

A 9-note scale with limited transposition — only 4 unique transpositions exist before repeating. Creates a cosmic, suspended tonality that is neither major nor minor but something transcendent.

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