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C♯6sus4/A♯ is the C♯6 suspended 4th / A♯ (3rd inversion) guitar chord with A♯ in the bass. It uses the notes C♯, F♯, G♯, and A♯ and the interval formula 1-4-5-6.
The C♯6 suspended 4th 6 suspended 4th chord blends the suspended 4th with a major sixth A♯, generating an open, floating sound. The unresolved tension between the fourth F♯ and sixth A♯ creates a mystical, ethereal quality, often used to add color and movement in jazz and ambient music. With A♯ in the bass, this voicing functions as the 3rd inversion of C♯6 suspended 4th.
Also written as C♯6sus4.
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.
The fourth creates suspension and a sense of pull toward resolution.
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.
C♯6sus4/A♯ uses the notes C♯, F♯, G♯, and A♯. Its interval formula is 1-4-5-6.
C♯6sus4/A♯ is also written as C♯6sus4.
Place the 1st finger on the 6th fret of the 3rd string. Place the 2nd finger on the 6th fret of the 1st string. Place the 3rd finger on the 7th fret of the 2nd string. Place the 4th finger on the 8th fret of the 4th string. Strum from the 4th string down.
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