Six String Guitar · Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3

C+9C Augmented 9th

CRoot

Etone

G♯tone

A♯tone

Dtone

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

How to play it

C+9 fingering positions

Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3, 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 guitar chord — Open (x 1 0 1 1 2) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3

C Augmented 9th guitar chord — 3rd position (6 3 4 3 3 4) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3

C Augmented 9th guitar chord — 4th position (6 x 0 5 7 4) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3

C Augmented 9th guitar chord — 5th position (6 5 6 5 7 x) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3

C Augmented 9th guitar chord — 6th position (6 x 6 7 7 8) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3

C Augmented 9th guitar chord — 6th position (6 9 6 7 x 8) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3

C Augmented 9th guitar chord — 6th position (6 9 6 7 7 8) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3

C Augmented 9th guitar chord — 12th position (x 13 12 13 13 14) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3

Read it as tab

C+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 Augmented 9th guitar tab — Open (x 1 0 1 1 2) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3

C Augmented 9th guitar tab — 3rd position (6 3 4 3 3 4) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3

C Augmented 9th guitar tab — 4th position (6 x 0 5 7 4) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3

C Augmented 9th guitar tab — 5th position (6 5 6 5 7 x) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3

C Augmented 9th guitar tab — 6th position (6 x 6 7 7 8) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3

C Augmented 9th guitar tab — 6th position (6 9 6 7 x 8) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3

C Augmented 9th guitar tab — 6th position (6 9 6 7 7 8) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3

C Augmented 9th guitar tab — 12th position (x 13 12 13 13 14) in Half-Step Down (E♭A♭D♭G♭B♭E♭) · Capo 3

Sound

How C+9 sounds

Consonance

2/ 5

Brightness

DarkBright

Character

Moods & genres

Moods

edgycolorfulunstable

Genres

jazzfusion

Theory

Notes & relationships

NotesC · E · G♯ · A♯ · D

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

Same notes asC+7(add9)C9♯5

Explore

More ways to play C Augmented 9th

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

C+9 in other tunings:

See & hear C+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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