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

Aø9(add4)A Half-Diminished 9th Added 4th

F♯Root

Atone

Btone

Ctone

Etone

G♯tone

Formula 6 · 1 · 2 · ♭3 · 5 · 7 · Notes F♯ · A · B · C · E · G♯

How to play it

Aø9(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).

A Half-Diminished 9th Added 4th guitar chord — 3rd position (6 3 6 6 4 0) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭)

A Half-Diminished 9th Added 4th guitar chord — 4th position (6 4 6 5 4 0) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭)

A Half-Diminished 9th Added 4th guitar chord — 5th position (6 6 6 6 5 8) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭)

A Half-Diminished 9th Added 4th guitar chord — 17th position (18 18 18 18 17 20) fretboard diagram in Half-Step Down (E♭A♭D♭G♭B♭E♭)

Read it as tab

Aø9(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.

A Half-Diminished 9th Added 4th guitar tab — 3rd position (6 3 6 6 4 0) in Half-Step Down (E♭A♭D♭G♭B♭E♭)

A Half-Diminished 9th Added 4th guitar tab — 4th position (6 4 6 5 4 0) in Half-Step Down (E♭A♭D♭G♭B♭E♭)

A Half-Diminished 9th Added 4th guitar tab — 5th position (6 6 6 6 5 8) in Half-Step Down (E♭A♭D♭G♭B♭E♭)

A Half-Diminished 9th Added 4th guitar tab — 17th position (18 18 18 18 17 20) in Half-Step Down (E♭A♭D♭G♭B♭E♭)

Sound

How Aø9(add4) sounds

Consonance

1/ 5

Brightness

DarkBright

Character

Moods & genres

Moods

denseuneasy

Genres

experimental

Theory

Notes & relationships

NotesF♯ · A · B · C · E · G♯

Formula (scale degrees)6 · 1 · 2 · ♭3 · 5 · 7

Explore

More ways to play A Half-Diminished 9th Added 4th

Browse the rest of the A chords in this tuning, or open Aø9(add4) in the app for every voicing.

Aø9(add4) in other tunings:

See & hear Aø9(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.

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