Cadencove

Discover the chord. Understand the music.

Explore notes on guitar or piano, uncover their harmony, and turn your ideas into practice.

Selected:D4G♭4A4C5E5
  • Root
  • 3rd / sus
  • 5th
  • 7th
  • 6th / extensions

D9

D dominant ninth

A dominant seventh chord with a major ninth on top.

Chord tones
D1 · RootF♯3 · 3rdA5 · 5thC♭7 · 7thE9 · Ext
Formula
1–3–5–♭7–9
Root / bass
D / D
Notes played (low → high)
D4 · G♭4 · A4 · C5 · E5

D9 · dominant ninth

How to Use This Chord

Sound & role

Adds colour to a triad; its key and surrounding chords determine its harmonic role.

Genre examples

Jazz
Soul
Pop

Examples of musical settings, not restrictions or claims about how often this chord appears.

Connection & passing potential

No specific chromatic passing use is established by these notes alone. A passing function requires a starting chord, a destination and voice movement.

Diatonic context · example keys

Every chord tone fits these example keys. Other keys may also fit; the chord root is not assumed to be the tonic.

E minor · VII9

natural minor

G major · V9

major

Hear it in context

A phrase in E minor

  1. Em
  2. D9
  3. B7
  4. Em

Hear D9 in a tonic–chord–dominant–tonic phrase. Its role depends on its position, not just its quality.