Abm(maj9#5) Augmented

The Abm(maj9#5) chord is built from the notes Ab – Cb – E – G – Bb.

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Chord tones, one by one

AbRoot

Root

The fundamental note the chord is built on — Ab.

CbThird

Minor third

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

EFifth

Augmented fifth (♯5)

Eight semitones — a sharp fifth. Restless and dreamy, typical of augmented chords.

GSeventh

Major seventh

Eleven semitones — a lush, jazzy seventh just below the octave (maj7).

BbExtension

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

m(maj9#5) in every key

More Ab chords

More Ab chords from Whole-half diminished