Six String Guitar · Open A Tuning (EAEAC♯E)

Cø11♯13C Half-Diminished 11th Sharp 13th

CRoot
D♯tone
F♯tone
A♯tone
Dtone
Ftone
A♯tone

Formula 1 · ♭3 · ♭5 · ♭7 · 2 · 4 · ♭7  ·  Notes C · D♯ · F♯ · A♯ · D · F · A♯

How to play it

Cø11♯13 fingering positions

Open A Tuning (EAEAC♯E), 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 11th Sharp 13th guitar chord — 8th position (8 8 10 9 9 11) fretboard diagram in Open A Tuning (EAEAC♯E)
C Half-Diminished 11th Sharp 13th guitar chord — 8th position (8 8 11 9 9 10) fretboard diagram in Open A Tuning (EAEAC♯E)
Read it as tab

Cø11♯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.

C Half-Diminished 11th Sharp 13th guitar tab — 8th position (8 8 10 9 9 11) in Open A Tuning (EAEAC♯E)
C Half-Diminished 11th Sharp 13th guitar tab — 8th position (8 8 11 9 9 10) in Open A Tuning (EAEAC♯E)
Sound

How Cø11♯13 sounds

Consonance
1/ 5
Brightness
DarkBright
Character

Moods & genres

Moods
shadowydense
Genres
jazz
Theory

Notes & relationships

NotesC · D♯ · F♯ · A♯ · D · F · A♯
Formula (scale degrees)1 · ♭3 · ♭5 · ♭7 · 2 · 4 · ♭7
Explore

More ways to play C Half-Diminished 11th Sharp 13th

Browse the rest of the C chords in this tuning, or open Cø11♯13 in the app for every voicing.

Cø11♯13 in other tunings:

StandardDrop DDrop COpen GHalf-Step Down

See & hear Cø11♯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.

Hear every chordMore voicingsEvery tuning & capoWorks offline
Download on theApp Store