Db+9 Augmented
The Db+9 chord is built from the notes Db – F – A – Cb – Eb.
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Also known as
Db7(augmented9)Db7+9Db9#5Db9(#5)Dbaug9Dbaug9#5
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).
EbExtension
Ninth (9)
A 9th — colorful extension a whole step above the octave.
🎼 Related scales
🎹 Modal analysis
This chord implies the Whole tone scale; its characteristic note is the dreamy, suspended ♯5.
🎸 Genres
Impressionism · Film & TV scoring · Jazz