Four String Banjo · Chicago (DGBE) · Capo 1

Cø7♯9C Half-Diminished 7th Sharp 9th

CRoot
D♯tone
F♯tone
A♯tone
D♯tone

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

How to play it

Cø7♯9 fingering positions

Chicago (DGBE) · Capo 1, 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).

C Half-Diminished 7th Sharp 9th guitar chord — 9th position (9 10 10 10) fretboard diagram in Chicago (DGBE) · Capo 1
Read it as tab

Cø7♯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.

C Half-Diminished 7th Sharp 9th guitar tab — 9th position (9 10 10 10) in Chicago (DGBE) · Capo 1
Sound

How Cø7♯9 sounds

Consonance
1/ 5
Brightness
DarkBright
Character

Moods & genres

Moods
thickdark
Genres
jazz
Theory

Notes & relationships

NotesC · D♯ · F♯ · A♯ · D♯
Formula (scale degrees)1 · ♭3 · ♭5 · ♭7 · ♭3
Explore

More ways to play C Half-Diminished 7th Sharp 9th

Browse the rest of the C chords in this tuning, or open Cø7♯9 in the app for every voicing.

Cø7♯9 in other tunings:

TenorIrish TenorChicagoPlectrum

See & hear Cø7♯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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