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B7sus2/C♯ is the B dominant 7th suspended 2nd / C♯ (1st inversion) guitar chord with C♯ in the bass. It uses the notes B, C♯, F♯, and A and the interval formula 1-2-5-♭7.
The B dominant 7th suspended 2nd dominant 7th suspended 2nd chord swaps the third with a major second C♯, producing an airy, suspended sound. The tension between the second C♯ and minor seventh A creates an unresolved, mystical feel, adding intrigue and complexity in jazz and fusion. With C♯ in the bass, this voicing functions as the 1st inversion of B dominant 7th suspended 2nd.
Also written as B7sus2.
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 second creates an open suspended feel without fully committing to major or minor.
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.
Every shape is shown with its diagram and exact fingering instructions.
B7sus2/C♯ uses the notes B, C♯, F♯, and A. Its interval formula is 1-2-5-♭7.
B7sus2/C♯ is also written as B7sus2.
Place the 1st finger on the 2nd fret of the 3rd string. Place the 2nd finger on the 2nd fret of the 1st string. Place the 3rd finger on the 4th fret of the 5th string. Place the 4th finger on the 4th fret of the 4th string. Let the second string ring open. Strum from the 5th string down.
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