Five String Banjo · Open D (f♯DF♯AD)

Bø9B Half-Diminished 9th

A♯Root
C♯tone
Etone
G♯tone
Ctone

Formula 7 · 2 · 4 · 6 · ♭2  ·  Notes A♯ · C♯ · E · G♯ · C

How to play it

Bø9 fingering positions

Open D (f♯DF♯AD), low E on the left. Each dot is colour-coded by note — the ringed dot is the root. Numbers below show the fret per string (x = muted).

B Half-Diminished 9th guitar chord — 8th position (9 8 8 11 8) fretboard diagram in Open D (f♯DF♯AD)
B Half-Diminished 9th guitar chord — 9th position (9 11 12 12 12) fretboard diagram in Open D (f♯DF♯AD)
Read it as tab

Bø9 guitar tab

The same voicings in tablature — high e on top, low E on the bottom. Each fret number is colour-coded by note; the ringed number is the root, × means don’t play that string.

B Half-Diminished 9th guitar tab — 8th position (9 8 8 11 8) in Open D (f♯DF♯AD)
B Half-Diminished 9th guitar tab — 9th position (9 11 12 12 12) in Open D (f♯DF♯AD)
Sound

How Bø9 sounds

Consonance
2/ 5
Brightness
DarkBright
Character

Moods & genres

Moods
fragiletensebittersweet
Genres
jazz
Theory

Notes & relationships

NotesA♯ · C♯ · E · G♯ · C
Formula (scale degrees)7 · 2 · 4 · 6 · ♭2
Same notes asBm9♭5Bø7(add9)
Explore

More ways to play B Half-Diminished 9th

Browse the rest of the B chords in this tuning, or open Bø9 in the app for every voicing.

Bø9 in other tunings:

Open GC / Drop CDouble CSawmill / Mountain Modal

See & hear Bø9 in Chordology

The app shows every voicing across guitar, piano, bass, banjo and ukulele — in any tuning, with a capo, and you can play every chord back. All offline.

Hear every chordMore voicingsEvery tuning & capoWorks offline
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