B7♯9 Chord on Guitar

B7♯9 is the B dominant 7♯9 (hendrix) chord — 5 notes (B, D♯, F♯, A, C♯♯) built from the formula 1 3 5 ♭7 ♯9. Below are playable shapes across the fretboard, the keys it belongs to and the scales to use when soloing over it.

Notes: B · D♯ · F♯ · A · C♯♯Formula: 1 · 3 · 5 · ♭7 · ♯9Hear it and see it on the fretboard ▸

B7♯9: Chord shapes (open & barre)

  • B7♯9 – open position×R♯9♭735open position
  • B7♯9 – fret 1×R3♭7♯9×fret 1
  • B7♯9 – fret 44R♯95R3♭7fret 4
  • B7♯9 – fret 77R5♭735♯9fret 7
  • B7♯9 – fret 88××R3♭7♯9fret 8
  • B7♯9 – fret 1313×R3♭7♯9×fret 13

B7♯9: Shell voicings (jazz)

  • B7♯9 – R-3-76R3♭7×××R-3-7
  • B7♯9 – R-3-7×R3♭7××R-3-7
  • B7♯9 – R-7-37R×♭73××R-7-3
  • B7♯9 – R-7-3×R×♭73×R-7-3

Scales to play over B7♯9

Ordered from the most common choice. All of them contain B, D♯, F♯, A, C♯♯.

Other B chords

Dominant 7♯9 (Hendrix) chords in other keys

FAQ

What notes are in the B7♯9 chord?
B7♯9 (B dominant 7♯9 (hendrix)) contains B, D♯, F♯, A, C♯♯ — formula 1 3 5 ♭7 ♯9.
How do you play B7♯9 on guitar?
A common shape is x20242 (low E to high E, x = muted string, open position). This page shows more shapes, drop 2, drop 3 and shell voicings in the interactive library.
What scale goes with B7♯9?
Good choices to solo over B7♯9: B Diminished (half-whole).