Chord · Altered Dom.
D7♭9♯11 — D Altered ♭9♯11
D7♭9♯11 is the D altered ♭9♯11 chord. It is built on the root D with major 3rd (F♯), perfect 5th (A), minor 7th (C), minor 9th (E♭) and augmented 11th (G♯) above it — the formula 1 3 5 ♭7 ♭9 ♯11, sounding the notes D F♯ A C E♭ G♯. On the piano it sits at D (octave 4) and above in the library's voicing; the same 6 notes in any octave are still D7♭9♯11.
- Root
- D
- Quality
- Altered ♭9♯11
- Formula
- 1 3 5 ♭7 ♭9 ♯11
- Notes
- D F♯ A C E♭ G♯
On the keyboard
The notes of D7♭9♯11
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | D | root | D4 |
| 3 | F♯ | major 3rd | F♯4 |
| 5 | A | perfect 5th | A4 |
| ♭7 | C | minor 7th | C5 |
| ♭9 | E♭ | minor 9th | E♭5 |
| ♯11 | G♯ | augmented 11th | G♯5 |
Other altered dom. on D
Altered ♭9♯11 chords on every root
Part of the chord reference. See also the scales and the keys.