Dbaug11b9 Augmented
The Dbaug11b9 chord is built from the notes Db – F – A – Cb – Ebb – F.
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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).
AFifth
Augmented fifth (♯5)
Eight semitones — a sharp fifth. Restless and dreamy, typical of augmented chords.
CbSeventh
Minor seventh (♭7)
Ten semitones — the dominant/minor seventh. Adds bluesy tension (7, m7).
EbbExtension
Flat ninth (♭9)
A ♭9 — sharp, dissonant tension typical of altered dominant chords.
FExtension
Extension (16 st)
An upper extension 16 semitones above the root.
🎼 Related scales
Altered (super-Locrian)melodic minor a semitone above
🎹 Modal analysis
This chord implies the Altered (super-Locrian) scale; its characteristic note is the ♭13, a dominant's maximum tension. It is a mode of the melodic minor a semitone above.
🎸 Genres
Modern jazz · Post-bop · Fusion