Six String Guitar · Drop C Tuning (CGCFAD)

Bo9♯13B Diminished ninth Sharp 13th

A♯Root

C♯tone

Etone

Gtone

Ctone

G♯tone

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

How to play it

Bo9♯13 fingering positions

Drop C Tuning (CGCFAD), 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 Diminished ninth Sharp 13th guitar chord — 9th position (11 10 9 9 11 11) fretboard diagram in Drop C Tuning (CGCFAD)

B Diminished ninth Sharp 13th guitar chord — 11th position (11 13 13 12 12 12) fretboard diagram in Drop C Tuning (CGCFAD)

B Diminished ninth Sharp 13th guitar chord — 11th position (11 13 14 12 12 11) fretboard diagram in Drop C Tuning (CGCFAD)

B Diminished ninth Sharp 13th guitar chord — 11th position (11 14 14 12 11 11) fretboard diagram in Drop C Tuning (CGCFAD)

Read it as tab

Bo9♯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.

B Diminished ninth Sharp 13th guitar tab — 9th position (11 10 9 9 11 11) in Drop C Tuning (CGCFAD)

B Diminished ninth Sharp 13th guitar tab — 11th position (11 13 13 12 12 12) in Drop C Tuning (CGCFAD)

B Diminished ninth Sharp 13th guitar tab — 11th position (11 13 14 12 12 11) in Drop C Tuning (CGCFAD)

B Diminished ninth Sharp 13th guitar tab — 11th position (11 14 14 12 11 11) in Drop C Tuning (CGCFAD)

Sound

How Bo9♯13 sounds

Consonance

1/ 5

Brightness

DarkBright

Character

Moods & genres

Moods

tensestrange

Genres

experimental

Theory

Notes & relationships

NotesA♯ · C♯ · E · G · C · G♯

Formula (scale degrees)7 · 2 · 4 · ♭6 · ♭2 · 6

Explore

More ways to play B Diminished ninth Sharp 13th

Browse the rest of the B chords in this tuning, or open Bo9♯13 in the app for every voicing.

Bo9♯13 in other tunings:

See & hear Bo9♯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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