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Dominant family

D♭ dominant ninth chord

D♭9

D♭ dominant ninth

Piano root position

  • Root
  • 3
  • 5
  • ♭7
  • 9

Guitar standard tuning

Fret 3

No barre: each note has its own finger.

E×ADGBe12345D♭FC♭E♭A♭

Finger: 1 index, 2 middle, 3 ring, 4 little

Notation treble clef

𝄞♭♭♭♭

Intervals

12 semitones
  1. D♭1
  2. ♭2
  3. E♭9
  4. ♭3
  5. F3
  6. 4
  7. ♭5
  8. A♭5
  9. ♯5
  10. 6
  11. C♭♭7
  12. 7
  • D♭ Root
  • F Major 3rd
  • A♭ Perfect 5th
  • C♭ Minor 7th
  • E♭ Major 9th

About this chord

What is a D♭ dominant ninth chord?

D♭9 is built from 5 notes: D♭ (the root), F (the 3), A♭ (the 5), C♭ (the ♭7), E♭ (the 9). The dominant seventh with a ninth: funky and full.

Notes
D♭ · F · A♭ · C♭ · E♭
Formula
1 · 3 · 5 · ♭7 · 9
Also written
D♭dom9
Found in
Outside the major and minor keys

Neighbours

Chords close to D♭9

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