Gb-6(add9addb5) Diminished

The Gb-6(add9addb5) chord is built from the notes Gb – Bbb – Dbb – Eb – Ab.

Piano sound loads on first tap.

Also known as

Gbm6(add9b5)Gbm6/9(b5)

Chord tones, one by one

GbRoot

Root

The fundamental note the chord is built on — Gb.

BbbThird

Minor third

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

DbbFifth

Diminished fifth (♭5)

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

EbExtension

Thirteenth (13)

A 13th — full, rich top extension.

AbExtension

Ninth (9)

A 9th — colorful extension a whole step above the octave.

🎼 Related scales

🎹 Modal analysis

This chord implies the Whole-half diminished scale.

🎸 Genres

Bebop jazz · Hard bop · Gypsy jazz

-6(add9addb5) in every key

More Gb chords

More Gb chords from Whole-half diminished