Absus4(b9) Suspended
The Absus4(b9) chord is built from the notes Ab – Db – Eb – Bbb.
Piano sound loads on first tap.
Also known as
Absus4b9
Chord tones, one by one
AbRoot
Root
The fundamental note the chord is built on — Ab.
DbThird
Suspended 4th
A perfect 4th replaces the third — tense, wants to resolve (sus4).
EbFifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
BbbExtension
Flat ninth (♭9)
A ♭9 — sharp, dissonant tension typical of altered dominant chords.
🎼 Related scales
🎹 Modal analysis
This chord implies the Phrygian scale; its characteristic note is the ♭9 / ♭2.
🎸 Genres
Flamenco · Metal · Modal jazz