Dbma7b9#11 Major 7th
The Dbma7b9#11 chord is built from the notes Db – F – Ab – C – Ebb – G.
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Chord tones, one by one
DbRoot
Root
The fundamental note the chord is built on — Db.
FThird
Major third
Four semitones — makes the chord major (brighter, happier).
AbFifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
CSeventh
Major seventh
Eleven semitones — a lush, jazzy seventh just below the octave (maj7).
EbbExtension
Flat ninth (♭9)
A ♭9 — sharp, dissonant tension typical of altered dominant chords.
GExtension
Sharp eleventh (♯11)
A ♯11 — the bright, floating Lydian color.
🎼 Related scales
🎹 Modal analysis
This chord implies the Lydian ♭2 scale; its characteristic note is the ♭9 / ♭2.
🎸 Genres
Modern jazz · Post-bop · Fusion