Bbmmaj13#11 Minor-Major 7th
The Bbmmaj13#11 chord is built from the notes Bb – Db – F – A – E – G.
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Chord tones, one by one
BbRoot
Root
The fundamental note the chord is built on — Bb.
DbThird
Minor third
Three semitones — makes the chord minor (darker, sadder).
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).
EExtension
Sharp eleventh (♯11)
A ♯11 — the bright, floating Lydian color.
GExtension
Thirteenth (13)
A 13th — full, rich top extension.
🎼 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