Ao(add#5) Diminished

The Ao(add#5) chord is built from the notes A – C – Eb – Gb – F.

Piano sound loads on first tap.

Chord tones, one by one

ARoot

Root

The fundamental note the chord is built on — A.

CThird

Minor third

Three semitones — makes the chord minor (darker, sadder).

EbFifth

Diminished fifth (♭5)

Six semitones — a flat fifth. Creates instability, typical of m7♭5 and diminished chords.

GbSeventh

Diminished seventh (♭♭7)

Nine semitones — a doubly-flat seventh, found in fully diminished 7th chords.

FExtension

Flat thirteenth (♭13)

A ♭13 — dark altered tension over a dominant chord.

🎼 Related scales

🎹 Modal analysis

This chord implies the Whole-half diminished scale.

🎸 Genres

Bebop jazz · Hard bop · Gypsy jazz

o(add#5) in every key

More A chords

More A chords from Whole-half diminished