Db7#9 Dominant 7th
The Db7#9 chord is built from the notes Db – F – Ab – Cb – E.
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Also known as
Db#9Db7(#9)Db7(add#9)Db7add#9
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.
CbSeventh
Minor seventh (♭7)
Ten semitones — the dominant/minor seventh. Adds bluesy tension (7, m7).
EExtension
Sharp ninth (♯9)
A ♯9 — the gritty 'Hendrix' tension over a dominant chord.
🎼 Related scales
🎹 Modal analysis
This chord implies the Half-whole diminished scale; its characteristic note is the ♭9 / ♭2.
🎸 Genres
Bebop jazz · Hard bop · Gypsy jazz
🎤 Artists who made it famous
Jimi Hendrix · The Beatles