Six String Guitar · Half-Step Down (E♭A♭D♭G♭B♭E♭)

C+9(add4)C Augmented 9th Added 4th

CRoot

Etone

Ftone

G♯tone

A♯tone

Dtone

Formula 1 · 3 · 4 · ♭6 · ♭7 · 2 · Notes C · E · F · G♯ · A♯ · D

How to play it

C+9(add4) fingering positions

Half-Step Down (E♭A♭D♭G♭B♭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 Augmented 9th Added 4th guitar chord — 7th position (9 8 7 8 7 7) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭)

C Augmented 9th Added 4th guitar chord — 9th position (9 9 9 10 10 11) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭)

C Augmented 9th Added 4th guitar chord — 19th position (21 20 19 20 19 19) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭)

Read it as tab

C+9(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 Augmented 9th Added 4th guitar tab — 7th position (9 8 7 8 7 7) in Half-Step Down (E♭A♭D♭G♭B♭E♭)

C Augmented 9th Added 4th guitar tab — 9th position (9 9 9 10 10 11) in Half-Step Down (E♭A♭D♭G♭B♭E♭)

C Augmented 9th Added 4th guitar tab — 19th position (21 20 19 20 19 19) in Half-Step Down (E♭A♭D♭G♭B♭E♭)

Sound

How C+9(add4) sounds

Consonance

1/ 5

Brightness

DarkBright

Character

Moods & genres

Moods

clustereddissonant

Genres

experimental

Theory

Notes & relationships

NotesC · E · F · G♯ · A♯ · D

Formula (scale degrees)1 · 3 · 4 · ♭6 · ♭7 · 2

Explore

More ways to play C Augmented 9th Added 4th

Browse the rest of the C chords in this tuning, or open C+9(add4) in the app for every voicing.

C+9(add4) in other tunings:

See & hear C+9(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

Download on theApp Store