D dominant 7th sharp 9 · Piano
D7♯9 Chord on Piano
The D7♯9 chord (D dominant 7th sharp 9) is built from the notes D, F#, A, C and F. The keyboard diagram below shows exactly which keys to press.
Chord diagrams
Notes in this chord
- D
- F♯
- A
- C
- F
Degrees: 1 – 3 – 5 – ♭7 – ♯9
How to play
To play D7♯9 on piano, press D, F#, A, C and F together. In root position the lowest note is D, and the finger numbers follow the keys left to right in the diagram.
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 D7♯9 this structure sits on the root D, so the degrees 1 – 3 – 5 – ♭7 – ♯9 map onto D, F#, A, C and F.
Frequently asked questions
- Which notes are in the D7♯9 chord?
- D7♯9 contains the notes D, F#, A, C and F. Relative to the root these are the degrees 1 – 3 – 5 – ♭7 – ♯9.
Practise D7♯9 on your phone
Minory bundles the full chord library with a tuner, metronome and repertoire notebook — and it all works offline.
