Chord · Altered Dom.
D♭7♯5♭9/11 — D♭ Altered ♯5♭9 / 11th
D♭7♯5♭9/11 is the D♭ altered ♯5♭9 / 11th chord. It is built on the root D♭ with major 3rd (F), augmented 5th (A), minor 7th (C♭), minor 9th (E𝄫) and perfect 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 Db (octave 4) and above in the library's voicing; the same 6 notes in any octave are still D♭7♯5♭9/11.
- Root
- D♭
- Quality
- Altered ♯5♭9 / 11th
- Formula
- 1 3 ♯5 ♭7 ♭9 11
- Notes
- D♭ F A C♭ E𝄫 G♭
On the keyboard
The notes of D♭7♯5♭9/11
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | D♭ | root | D♭4 |
| 3 | F | major 3rd | F4 |
| ♯5 | A | augmented 5th | A4 |
| ♭7 | C♭ | minor 7th | C♭5 |
| ♭9 | E𝄫 | minor 9th | E♭♭5 |
| 11 | G♭ | perfect 11th | G♭5 |
Other altered dom. on D♭
Altered ♯5♭9 / 11th chords on every root
Part of the chord reference. See also the scales and the keys.