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A6/C♯ is the A6 / C♯ (1st inversion) guitar chord with C♯ in the bass. It uses the notes A, C♯, E, and F♯ and the interval formula 1-3-5-6.
The A6 major 6 chord extends the major triad with a major sixth F♯, adding a warm, jazzy color. The sixth F♯ creates a relaxed, nostalgic feel, enhancing major progressions in jazz, pop, and vintage ballads. With C♯ in the bass, this voicing functions as the 1st inversion of A6.
Also written as A6 and AM6/C♯.
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 sixth adds warmth and a slightly more relaxed extended color.
Every shape is shown with its diagram and exact fingering instructions.
A6/C♯ uses the notes A, C♯, E, and F♯. Its interval formula is 1-3-5-6.
A6/C♯ is also written as A6 and AM6/C♯.
Place the 1st finger on the 2nd fret of the 1st string, 2nd string, 3rd string, and 4th string in barre position. Place the 3rd finger on the 4th fret of the 5th string. Strum from the 5th string down.
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