B♭7♯9 Chord on Guitar

B♭7♯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 ▸

B♭7♯9: Chord shapes (open & barre)

  • B♭7♯9 – open position×R3♭7♯95open position
  • B♭7♯9 – fret 33R♯95R3♭7fret 3
  • B♭7♯9 – fret 66R5♭735♯9fret 6
  • B♭7♯9 – fret 77××R3♭7♯9fret 7
  • B♭7♯9 – fret 1212×R3♭7♯9×fret 12

B♭7♯9: Shell voicings (jazz)

  • B♭7♯9 – R-3-75R3♭7×××R-3-7
  • B♭7♯9 – R-3-712×R3♭7××R-3-7
  • B♭7♯9 – R-7-36R×♭73××R-7-3
  • B♭7♯9 – R-7-3×R×♭73×R-7-3

Scales to play over B♭7♯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 B♭7♯9 chord?
B♭7♯9 (B♭ dominant 7♯9 (hendrix)) contains B♭, D, F, A♭, C♯ — formula 1 3 5 ♭7 ♯9.
How do you play B♭7♯9 on guitar?
A common shape is x10121 (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 B♭7♯9?
Good choices to solo over B♭7♯9: B♭ Diminished (half-whole).