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C♯maj7/B♯ is the C♯ major 7th / B♯ (3rd inversion) guitar chord with B♯ in the bass. It uses the notes C♯, E♯, G♯, and B♯ and the interval formula 1-3-5-7.
The C♯ major 7th major 7th chord, combining the root (C♯ major 7th), major third E♯, perfect fifth G♯, and major seventh B♯, produces a lush, dreamy quality. The close interval between the fifth G♯ and seventh B♯ adds a jazzy, sophisticated color, often conveying nostalgia, romance, or serenity. With B♯ in the bass, this voicing functions as the 3rd inversion of C♯ major 7th.
Also written as C♯maj7 and C♯M7/B♯.
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 major seventh adds a smooth, lush tension close to the root.
Every shape is shown with its diagram and exact fingering instructions.
C♯maj7/B♯ uses the notes C♯, E♯, G♯, and B♯. Its interval formula is 1-3-5-7.
C♯maj7/B♯ is also written as C♯maj7 and C♯M7/B♯.
Place the 1st finger on the 1st fret of the 1st string and 3rd string in barre position. Place the 2nd finger on the 2nd fret of the 2nd string. Place the 3rd finger on the 3rd fret of the 5th string. Place the 4th finger on the 3rd fret of the 4th string. Strum from the 5th string down.
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