E7b9 Dominant 7th
The E7b9 chord is built from the notes E – G# – B – D – F.
Piano sound loads on first tap.
Also known as
E13addb9b13E7-alt7b9E7addb9
Chord tones, one by one
ERoot
Root
The fundamental note the chord is built on — E.
G#Third
Major third
Four semitones — makes the chord major (brighter, happier).
BFifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
DSeventh
Minor seventh (♭7)
Ten semitones — the dominant/minor seventh. Adds bluesy tension (7, m7).
FExtension
Flat ninth (♭9)
A ♭9 — sharp, dissonant tension typical of altered dominant chords.
🎼 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