Abma7addb9add11 Major 7th
The Abma7addb9add11 chord is built from the notes Ab – C – Eb – G – Bbb – Db.
Piano sound loads on first tap.
Also known as
Abmaj11b9
Chord tones, one by one
AbRoot
Root
The fundamental note the chord is built on — Ab.
CThird
Major third
Four semitones — makes the chord major (brighter, happier).
EbFifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
GSeventh
Major seventh
Eleven semitones — a lush, jazzy seventh just below the octave (maj7).
BbbExtension
Flat ninth (♭9)
A ♭9 — sharp, dissonant tension typical of altered dominant chords.
DbExtension
Eleventh (11)
An 11th — a suspended, airy color on top of the chord.
🎼 Related scales
🎹 Modal analysis
This chord implies the Double harmonic major (Byzantine) scale; its characteristic note is the ♭9 / ♭2.
🎸 Genres
Flamenco · Middle-Eastern · Klezmer · Neoclassical metal