Four String Banjo · Tenor (CGDA)

Ao7A Diminished 7th

F♯Root
Atone
Ctone
D♯tone

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

How to play it

Ao7 fingering positions

Tenor (CGDA), 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 7th guitar chord — 8th position (9 8 10 9) fretboard diagram in Tenor (CGDA)
A Diminished 7th guitar chord — 20th position (21 20 22 21) fretboard diagram in Tenor (CGDA)
Read it as tab

Ao7 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 7th guitar tab — 8th position (9 8 10 9) in Tenor (CGDA)
A Diminished 7th guitar tab — 20th position (21 20 22 21) in Tenor (CGDA)
Sound

How Ao7 sounds

Consonance
2/ 5
Brightness
DarkBright
Character

Moods & genres

Moods
dramaticominoussuspenseful
Genres
classicaljazzfilm score
Theory

Notes & relationships

NotesF♯ · A · C · D♯
Formula (scale degrees)6 · 1 · ♭3 · ♭5
Same notes asAm6♭5
Explore

More ways to play A Diminished 7th

Browse the rest of the A chords in this tuning, or open Ao7 in the app for every voicing.

Ao7 in other tunings:

Irish TenorChicagoPlectrum

See & hear Ao7 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
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