Chord · 9ths
D♭9 — D♭ Dominant 9th
D♭9 is the D♭ dominant 9th chord. It is built on the root D♭ with major 3rd (F), perfect 5th (A♭), minor 7th (C♭) and major 9th (E♭) above it — the formula 1 3 5 ♭7 9, sounding the notes D♭ F A♭ C♭ E♭. On the piano it sits at Db (octave 4) and above in the library's voicing; the same 5 notes in any octave are still D♭9.
- Root
- D♭
- Quality
- Dominant 9th
- Formula
- 1 3 5 ♭7 9
- Notes
- D♭ F A♭ C♭ E♭
On the keyboard
The notes of D♭9
| 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♭ | major 9th | E♭5 |
Other 9ths on D♭
Dominant 9th chords on every root
Part of the chord reference. See also the scales and the keys.