Dma7b9#11 Major 7th
The Dma7b9#11 chord is built from the notes D – F# – A – C# – Eb – G#.
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Chord tones, one by one
DRoot
Root
The fundamental note the chord is built on — D.
F#Third
Major third
Four semitones — makes the chord major (brighter, happier).
AFifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
C#Seventh
Major seventh
Eleven semitones — a lush, jazzy seventh just below the octave (maj7).
EbExtension
Flat ninth (♭9)
A ♭9 — sharp, dissonant tension typical of altered dominant chords.
G#Extension
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