Six String Guitar · Standard Tuning (EADGBE)

Co9(add4)C Diminished ninth Added 4th

CRoot
D♯tone
Ftone
F♯tone
Atone
Dtone

Formula 1 · ♭3 · 4 · ♭5 · 6 · 2  ·  Notes C · D♯ · F · F♯ · A · D

How to play it

Co9(add4) fingering positions

Standard Tuning (EADGBE), 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 Diminished ninth Added 4th guitar chord — 7th position (8 8 7 8 7 10) fretboard diagram in Standard Tuning (EADGBE)
C Diminished ninth Added 4th guitar chord — 19th position (20 20 19 20 19 22) fretboard diagram in Standard Tuning (EADGBE)
Read it as tab

Co9(add4) 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 Diminished ninth Added 4th guitar tab — 7th position (8 8 7 8 7 10) in Standard Tuning (EADGBE)
C Diminished ninth Added 4th guitar tab — 19th position (20 20 19 20 19 22) in Standard Tuning (EADGBE)
Sound

How Co9(add4) sounds

Consonance
1/ 5
Brightness
DarkBright
Character

Moods & genres

Moods
crampeddissonant
Genres
experimental
Theory

Notes & relationships

NotesC · D♯ · F · F♯ · A · D
Formula (scale degrees)1 · ♭3 · 4 · ♭5 · 6 · 2
Explore

More ways to play C Diminished ninth Added 4th

Browse the rest of the C chords in this tuning, or open Co9(add4) in the app for every voicing.

Co9(add4) in other tunings:

Drop COpen AOpen GHalf-Step Down

See & hear Co9(add4) 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
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