D7♯9
D Dominant 7th Sharp 9 — major and minor thirds colliding in one chord — gritty, electric, built for emphatic moments.
The keys
D – F♯ – A – C – E♯
What's inside D7♯9
| Note | Interval from root | Degree |
|---|---|---|
| D | Root | 1 |
| F♯ | Major 3rd | 3 |
| A | Perfect 5th | 5 |
| C | Minor 7th | b7 |
| E♯ | Sharp 9th | #9 |
A working voicing
Split the chord between two hands the way working players do — a solid shell low down, the colour tones up top:
| Hand | Keys |
|---|---|
| Left (shell) | D2 – C3 |
| Right (colour) | G♭4 – F5 |
Where D7♯9 lives
Hard resolution
D7♯9 → Gm9
Altered dominants resolve with maximum drama — especially into minor.
Chromatic approach
Am7 → D7♯9 → G
The alteration sharpens the pull of the standard two-five.
Put D7♯9 under your fingers
Hear every voicing, see the keys light up, and drill it in the interactive Chord & Voicing Lab.
Open the Chord & Voicing Lab →