B+♭13B Augmented Flat 13th
A♯Root
Dtone
F♯tone
F♯tone
Formula 7 · ♭3 · 5 · 5 · Notes A♯ · D · F♯ · F♯
How to play it
B+♭13 fingering positions
Open D (f♯DF♯AD) · Capo 2, 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).
Read it as tab
B+♭13 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.
Sound
How B+♭13 sounds
Consonance
2/ 5
Brightness
DarkBright
Character
Moods & genres
Moods
unstablefloating
Genres
jazz
Theory
Notes & relationships
NotesA♯ · D · F♯ · F♯
Formula (scale degrees)7 · ♭3 · 5 · 5
Explore
More ways to play B Augmented Flat 13th
Browse the rest of the B chords in this tuning, or open B+♭13 in the app for every voicing.
B+♭13 in other tunings:
See & hear B+♭13 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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