Bbma7addb9add11 Major 7th
The Bbma7addb9add11 chord is built from the notes Bb – D – F – A – Cb – Eb.
Piano sound loads on first tap.
Also known as
Bbmaj11b9
Chord tones, one by one
BbRoot
Root
The fundamental note the chord is built on — Bb.
DThird
Major third
Four semitones — makes the chord major (brighter, happier).
FFifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
ASeventh
Major seventh
Eleven semitones — a lush, jazzy seventh just below the octave (maj7).
CbExtension
Flat ninth (♭9)
A ♭9 — sharp, dissonant tension typical of altered dominant chords.
EbExtension
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