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C♯7♯9/B guitar shapes

Popular fretboard positions with fingering suggestions

Showing 8 of 22 playable shapes

About the chord

C♯ dominant 7th sharp 9th / B (3rd inversion)

The C♯ dominant 7th sharp 9th dominant 7th sharp 9th chord introduces a sharp ninth D𝄪, creating a bluesy, expressive tension. The clash between the major third E♯ and sharp ninth D𝄪 gives it a powerful, gritty sound used in jazz, funk, and rock. With B in the bass, this voicing functions as the 3rd inversion of C♯ dominant 7th sharp 9th.

Root note: C♯
Bass note: B
Chord tones: 5
Playable shapes: 22

Chord tones

C♯E♯G♯BD𝄪

Notes & Intervals

Each note below shows how the chord is built from its root. This is the theory layer underneath the fretboard shapes.

C♯ Unison (Root) 1

The root anchors the chord and defines its tonal center.

E♯ Major Third 3

This note defines the chord's major quality and brings brightness to the sound.

G♯ Perfect Fifth 5

The fifth reinforces stability and gives the chord its strong harmonic frame.

B Minor Seventh ♭7

The minor seventh adds bluesy or jazzy tension that wants to move onward.

D𝄪 Augmented Ninth ♯9

This tone contributes color and function inside the chord voicing.

Related Articles

Articles that reference this chord and explain how to use it in your playing.