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D♭ dominant ninth chord
The D♭9 chord (dominant ninth) is made of the notes D♭, F, A♭, C♭, E♭. Its formula compared with the major scale is 1 3 5 ♭7 9.
D♭9
Ninths · 5 notes
Note names
How it is built
| Degree | Note | Interval from the root |
|---|---|---|
| 1 | D♭ | Unison |
| 3 | F | Major third |
| 5 | A♭ | Perfect fifth |
| ♭7 | C♭ | Minor seventh |
| 9 | E♭ | Major ninth |
Inversions
- D♭9D♭ F A♭ C♭ E♭Root position
Frequently asked questions
- Which notes make up the D♭9 chord?
- The notes are D♭, F, A♭, C♭, E♭.
- What is the formula of the D♭9 chord?
- The formula is 1 3 5 ♭7 9: major third, perfect fifth, minor seventh, major ninth.
From theory to practice
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