Eb7#9 Dominant 7th
The Eb7#9 chord is built from the notes Eb – G – Bb – Db – F#.
Piano sound loads on first tap.
Also known as
Eb#9Eb7(#9)Eb7(add#9)Eb7add#9
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).
F#Extension
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