Ao9(add13)A Diminished ninth Added 13th
F♯Root
Atone
Ctone
D♯tone
G♯tone
D♯tone
Formula 6 · 1 · ♭3 · ♭5 · 7 · ♭5 · Notes F♯ · A · C · D♯ · G♯ · D♯
How to play it
Ao9(add13) fingering positions
Open E Tuning (EBEG♯BE), 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).








Read it as tab
Ao9(add13) 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.








Sound
How Ao9(add13) sounds
Consonance
1/ 5
Brightness
DarkBright
Character
Moods & genres
Moods
eeriedramatic
Genres
jazz
Theory
Notes & relationships
NotesF♯ · A · C · D♯ · G♯ · D♯
Formula (scale degrees)6 · 1 · ♭3 · ♭5 · 7 · ♭5
Explore
More ways to play A Diminished ninth Added 13th
Browse the rest of the A chords in this tuning, or open Ao9(add13) in the app for every voicing.
Ao9(add13) in other tunings:
See & hear Ao9(add13) 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