Six String Guitar · Drop C Tuning (CGCFAD)

Ao9♯13A Diminished ninth Sharp 13th

F♯Root

Atone

Ctone

D♯tone

G♯tone

Etone

Formula 6 · 1 · ♭3 · ♭5 · 7 · 5 · Notes F♯ · A · C · D♯ · G♯ · E

How to play it

Ao9♯13 fingering positions

Drop C Tuning (CGCFAD), 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).

A Diminished ninth Sharp 13th guitar chord — 7th position (9 8 7 7 9 9) fretboard diagram in Drop C Tuning (CGCFAD)

A Diminished ninth Sharp 13th guitar chord — 9th position (9 11 11 10 10 10) fretboard diagram in Drop C Tuning (CGCFAD)

A Diminished ninth Sharp 13th guitar chord — 9th position (9 11 12 10 10 9) fretboard diagram in Drop C Tuning (CGCFAD)

A Diminished ninth Sharp 13th guitar chord — 9th position (9 12 12 10 9 9) fretboard diagram in Drop C Tuning (CGCFAD)

A Diminished ninth Sharp 13th guitar chord — 19th position (21 20 19 19 21 21) fretboard diagram in Drop C Tuning (CGCFAD)

Read it as tab

Ao9♯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.

A Diminished ninth Sharp 13th guitar tab — 7th position (9 8 7 7 9 9) in Drop C Tuning (CGCFAD)

A Diminished ninth Sharp 13th guitar tab — 9th position (9 11 11 10 10 10) in Drop C Tuning (CGCFAD)

A Diminished ninth Sharp 13th guitar tab — 9th position (9 11 12 10 10 9) in Drop C Tuning (CGCFAD)

A Diminished ninth Sharp 13th guitar tab — 9th position (9 12 12 10 9 9) in Drop C Tuning (CGCFAD)

A Diminished ninth Sharp 13th guitar tab — 19th position (21 20 19 19 21 21) in Drop C Tuning (CGCFAD)

Sound

How Ao9♯13 sounds

Consonance

1/ 5

Brightness

DarkBright

Character

Moods & genres

Moods

tensestrange

Genres

experimental

Theory

Notes & relationships

NotesF♯ · A · C · D♯ · G♯ · E

Formula (scale degrees)6 · 1 · ♭3 · ♭5 · 7 · 5

Explore

More ways to play A Diminished ninth Sharp 13th

Browse the rest of the A chords in this tuning, or open Ao9♯13 in the app for every voicing.

Ao9♯13 in other tunings:

See & hear Ao9♯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.

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