Four String Bass · Standard Tuning (EADG)

B+♭9B Augmented Flat 9th

A♯Root

Dtone

F♯tone

Btone

Formula 7 · ♭3 · 5 · 1 · Notes A♯ · D · F♯ · B

How to play it

B+♭9 fingering positions

Standard Tuning (EADG), 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 Augmented Flat 9th guitar chord — 5th position (7 6 5 5) fretboard diagram in Standard Tuning (EADG)

B Augmented Flat 9th guitar chord — 7th position (7 10 10 8) fretboard diagram in Standard Tuning (EADG)

B Augmented Flat 9th guitar chord — 17th position (19 18 17 17) fretboard diagram in Standard Tuning (EADG)

B Augmented Flat 9th guitar chord — 19th position (19 22 22 20) fretboard diagram in Standard Tuning (EADG)

Read it as tab

B+♭9 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 Augmented Flat 9th guitar tab — 5th position (7 6 5 5) in Standard Tuning (EADG)

B Augmented Flat 9th guitar tab — 7th position (7 10 10 8) in Standard Tuning (EADG)

B Augmented Flat 9th guitar tab — 17th position (19 18 17 17) in Standard Tuning (EADG)

B Augmented Flat 9th guitar tab — 19th position (19 22 22 20) in Standard Tuning (EADG)

Sound

How B+♭9 sounds

Consonance

1/ 5

Brightness

DarkBright

Character

Moods & genres

Moods

jarringunstable

Genres

experimental

Theory

Notes & relationships

NotesA♯ · D · F♯ · B

Formula (scale degrees)7 · ♭3 · 5 · 1

Explore

More ways to play B Augmented Flat 9th

Browse the rest of the B chords in this tuning, or open B+♭9 in the app for every voicing.

B+♭9 in other tunings:

See & hear B+♭9 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.

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