D♯7♭9 / E♭7♭9

5-note dominant 7th flat 9 on D♯ / E♭D♯, E, G, A♯, C♯.

Press to hear the chord strummed low to high.

A dominant seventh with a flat ninth on top — dark and tense, a signature sound over a minor resolution.

The notes

Pitches taken from the first fingering below — click any note to open its frequency page.

Interval formula

DegreeNoteWhat it is
1D♯root
♭9Eflat ninth
3Gmajor third
5A♯perfect fifth
♭7C♯flat seventh (dominant)

The formula reads in semitones above the root (D♯): 1, ♭9, 3, 5, ♭7. A voicing may leave a tone out — often the fifth — but never adds one from outside this set.

Guitar fingerings · 4

24
open position
5fr21314
from fret 5
6fr1314
from fret 6
9fr3241
from fret 9

Ukulele fingerings · 4

12
open position
1324
open position
6fr1324
from fret 6
9fr1324
from fret 9

Read a diagram top-down: the thick bar is the nut, dots are where to press (the number is which finger), means play the open string, means don't play it. A bar across strings is a barre.

Other D♯ / E♭ chords

7♭9 chords on every root