# How to play B dominant 7th sharp 9th / C𝄪 (4th inversion) chord on guitar — Shape a07877 | Guitar Wiz

> Learn how to play the B dominant 7th sharp 9th / C𝄪 (4th inversion) chord on guitar (Shape a07877). Follow our step-by-step finger placement instructions to master this fretboard shape. Place the 1st finger on the 7th fret of the 1st string, 2nd string, and 4th string in barre position.

Source: https://guitarwiz.app/chords/b-dominant-7th-sharp-9th/c-double-sharp/a07877

## Chord Facts

- Canonical chord: B dominant 7th sharp 9th
- Display name: B7♯9/C𝄪
- Notes: B, D♯, F♯, A, C𝄪
- Intervals: 1 (B), 3 (D♯), 5 (F♯), ♭7 (A), ♯9 (C𝄪)

## How To Play This Shape

- Place the 1st finger on the 7th fret of the 1st string, 2nd string, and 4th string in barre position
- Place the 2nd finger on the 8th fret of the 3rd string
- Place the 4th finger on the 10th fret of the 6th string

## Other Resources

- Parent chord page: https://guitarwiz.app/chords/b-dominant-7th-sharp-9th/c-double-sharp/
- Chord library: https://guitarwiz.app/chords