Which notes are in the D#7♯9 chord?

D#7♯9 contains the notes D#, G, A#, C# and F#. Relative to the root these are the degrees 1 – 3 – 5 – ♭7 – ♯9.

How many ways can you play D#7♯9?

Minory lists 2 guitar fingerings for D#7♯9. They all produce the same chord — what changes is the voicing and where it sits on the neck.

Is the D#7♯9 chord hard to play?

Not really. The open position of D#7♯9 uses open strings and needs no barre, which makes it approachable for beginners.

Are D#7♯9 and Eb7♯9 the same chord?

Yes. D#7♯9 and Eb7♯9 are enharmonically identical — the spelling differs but the frets and keys are the same. Which name is used depends on the key of the piece.

D# dominant 7th sharp 9 · Guitar

D#7♯9 Chord on Guitar

The D#7♯9 chord (D# dominant 7th sharp 9) is built from the notes D#, G, A#, C# and F#. 2 different guitar fingerings for it are shown below. The same chord is also written Eb7♯9; both spellings sound identical.

Chord diagrams

Position 1open position

Fingering

string 6 (E): muted
string 5 (A): muted
string 4 (D): fret 1 — index finger
string 3 (G): played open
string 2 (B): fret 4 — little finger
string 1 (E): muted

Position 2starts at fret 5

Fingering

string 6 (E): muted
string 5 (A): fret 6 — middle finger
string 4 (D): fret 5 — index finger
string 3 (G): fret 6 — ring finger
string 2 (B): fret 7 — little finger
string 1 (E): muted

Notes in this chord

D♯
G
A♯
C♯
F♯

Degrees: 1 – 3 – 5 – ♭7 – ♯9

Also written: Eb7♯9

How to play

D#7♯9 can be played with open strings on guitar, which makes it an accessible shape for beginners. Strings marked ○ ring open, while strings marked ✕ are muted.

Theory behind the chord

Often called the Hendrix chord, the 7♯9 stacks a sharpened ninth over a dominant seventh. Major and minor thirds sound at once, producing the gritty clash that defines psychedelic rock and funk. On D#7♯9 this structure sits on the root D#, so the degrees 1 – 3 – 5 – ♭7 – ♯9 map onto D#, G, A#, C# and F#.

Frequently asked questions

Which notes are in the D#7♯9 chord?: D#7♯9 contains the notes D#, G, A#, C# and F#. Relative to the root these are the degrees 1 – 3 – 5 – ♭7 – ♯9.
How many ways can you play D#7♯9?: Minory lists 2 guitar fingerings for D#7♯9. They all produce the same chord — what changes is the voicing and where it sits on the neck.
Is the D#7♯9 chord hard to play?: Not really. The open position of D#7♯9 uses open strings and needs no barre, which makes it approachable for beginners.
Are D#7♯9 and Eb7♯9 the same chord?: Yes. D#7♯9 and Eb7♯9 are enharmonically identical — the spelling differs but the frets and keys are the same. Which name is used depends on the key of the piece.

Practise D#7♯9 on your phone

Minory bundles the full chord library with a tuner, metronome and repertoire notebook — and it all works offline.