Eb9(#13) Dominant 7th
The Eb9(#13) chord is built from the notes Eb – G – Bb – Db – F – Db.
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Chord tones, one by one
EbRoot
Root
The fundamental note the chord is built on — Eb.
GThird
Major third
Four semitones — makes the chord major (brighter, happier).
BbFifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
DbSeventh
Minor seventh (♭7)
Ten semitones — the dominant/minor seventh. Adds bluesy tension (7, m7).
FExtension
Ninth (9)
A 9th — colorful extension a whole step above the octave.
DbExtension
Extension (22 st)
An upper extension 22 semitones above the root.
🎼 Related scales
🎹 Modal analysis
This chord implies the Mixolydian scale; its characteristic note is the minor 7th (♭7).
🎸 Genres
Blues · Rock · Funk · Gospel