B7♭9 Chord on Guitar
B7♭9 is the B dominant 7♭9 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.
B7♭9: Chord shapes (open & barre)
- fret 1
- fret 7
- fret 8
- fret 13
B7♭9: Shell voicings (jazz)
- R-3-7
- R-3-7
- R-7-3
- 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 chords in other keys
FAQ
- What notes are in the B7♭9 chord?
- B7♭9 (B dominant 7♭9) contains B, D♯, F♯, A, C — formula 1 3 5 ♭7 ♭9.
- How do you play B7♭9 on guitar?
- A common shape is x21212 (low E to high E, x = muted string, around fret 1). 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 Phrygian dominant, B Diminished (half-whole).