Chord · Altered Dom.
D♭7♭9♭13 — D♭ Altered ♭9♭13
D♭7♭9♭13 is the D♭ altered ♭9♭13 chord. It is built on the root D♭ with major 3rd (F), perfect 5th (A♭), minor 7th (C♭), minor 9th (E𝄫) and minor 13th (B𝄫) above it — the formula 1 3 5 ♭7 ♭9 ♭13, sounding the notes D♭ F A♭ C♭ E𝄫 B𝄫. 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♭9♭13.
- Root
- D♭
- Quality
- Altered ♭9♭13
- Formula
- 1 3 5 ♭7 ♭9 ♭13
- Notes
- D♭ F A♭ C♭ E𝄫 B𝄫
On the keyboard
The notes of D♭7♭9♭13
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | D♭ | root | D♭4 |
| 3 | F | major 3rd | F4 |
| 5 | A♭ | perfect 5th | A♭4 |
| ♭7 | C♭ | minor 7th | C♭5 |
| ♭9 | E𝄫 | minor 9th | E♭♭5 |
| ♭13 | B𝄫 | minor 13th | B♭♭5 |
Other altered dom. on D♭
Altered ♭9♭13 chords on every root
Part of the chord reference. See also the scales and the keys.