C-6/9(add11addb5) Diminished

The C-6/9(add11addb5) chord is built from the notes C – Eb – Gb – A – Cb – E.

Piano sound loads on first tap.

Chord tones, one by one

CRoot

Root

The fundamental note the chord is built on — C.

EbThird

Minor third

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

GbFifth

Diminished fifth (♭5)

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

AExtension

Thirteenth (13)

A 13th — full, rich top extension.

CbExtension

Extension (11 st)

An upper extension 11 semitones above the root.

EExtension

Extension (16 st)

An upper extension 16 semitones above the root.

🎼 Related scales

Lydian ♯2harmonic minor a major 3rd below

🎹 Modal analysis

This chord implies the Lydian ♯2 scale; its characteristic note is the ♯2 / ♯9 (augmented 2nd). It is a mode of the harmonic minor a major 3rd below.

🎸 Genres

Gypsy jazz · Roma music · Klezmer · Classical

-6/9(add11addb5) in every key

More C chords

More C chords from Lydian ♯2