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A7add13 is the A dominant 7th add 13 guitar chord. It uses the notes A, C♯, E, G, and F♯ and the interval formula 1-3-5-♭7-13.
The A dominant 7th add 13 dominant 7th add 13 chord extends the dominant 7th with an added 13th F♯, creating a rich, layered harmony. The colorful combination of the minor seventh G and 13th F♯ enhances blues and jazz progressions with a soulful, sophisticated feel.
Also written as A7(add13) and Adom7add13.
These are quick-start shapes for players who want the answer first and the deeper theory second.
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Each note below shows how the chord is built from its root. This is the theory layer underneath the fretboard shapes.
The root anchors the chord and defines its tonal center.
This note defines the chord's major quality and brings brightness to the sound.
The fifth reinforces stability and gives the chord its strong harmonic frame.
The minor seventh adds bluesy or jazzy tension that wants to move onward.
The thirteenth adds richness and a polished extended-chord color.
Every shape is shown with its diagram and exact fingering instructions.
A7add13 uses the notes A, C♯, E, G, and F♯. Its interval formula is 1-3-5-♭7-13.
A7add13 is also written as A7(add13) and Adom7add13.
Place the 1st finger on the 2nd fret of the 4th string. Place the 2nd finger on the 2nd fret of the 1st string and 2nd string in barre position. Let the fifth and third strings ring open. Strum from the 5th string down.
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