Four String Bass · Half-Step Down (E♭A♭D♭G♭)

C+♯9C Augmented Sharp 9th

CRoot

Etone

G♯tone

D♯tone

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

How to play it

C+♯9 fingering positions

Half-Step Down (E♭A♭D♭G♭), 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 Sharp 9th guitar chord — 7th position (9 8 7 9) fretboard diagram in Half-Step Down (E♭A♭D♭G♭)

C Augmented Sharp 9th guitar chord — 7th position (9 7 7 10) fretboard diagram in Half-Step Down (E♭A♭D♭G♭)

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

C Augmented Sharp 9th guitar chord — 19th position (21 19 19 22) fretboard diagram in Half-Step Down (E♭A♭D♭G♭)

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 Sharp 9th guitar tab — 7th position (9 8 7 9) in Half-Step Down (E♭A♭D♭G♭)

C Augmented Sharp 9th guitar tab — 7th position (9 7 7 10) in Half-Step Down (E♭A♭D♭G♭)

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

C Augmented Sharp 9th guitar tab — 19th position (21 19 19 22) in Half-Step Down (E♭A♭D♭G♭)

Sound

How C+♯9 sounds

Consonance

1/ 5

Brightness

DarkBright

Character

Moods & genres

Moods

stridentunstable

Genres

experimental

Theory

Notes & relationships

NotesC · E · G♯ · D♯

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

Explore

More ways to play C Augmented Sharp 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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