Cadencove

Discover the chord. Understand the music.

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

Standard tuning E2–A2–D3–G3–B3–E4 · Shape 8–5–8–8–8–8
Fret 8
Fret 8
Fret 8
Fret 8
Fret 5
Fret 8
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Tap a fret to place a finger (tap again to mute). O = open string, ✕ = muted. One sounding note per string.

Selected:C3D3B♭3E♭4G4C5
  • Root
  • 3rd / sus
  • 5th
  • 7th
  • 6th / extensions

Cm9

C minor ninth

A minor seventh chord with a major ninth on top.

Chord tones
C1 · RootE♭♭3 · 3rdG5 · 5thB♭♭7 · 7thD9 · Ext
Formula
1–♭3–5–♭7–9
Root / bass
C / C
Notes played (low → high)
C3 · D3 · B♭3 · E♭4 · G4 · C5

Cm9 · minor 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.

C minor · i9

natural minor

E♭ major · vi9

major

Hear it in context

A phrase in C minor

  1. Cm
  2. Cm9
  3. G7
  4. Cm

Hear Cm9 in a tonic–chord–dominant–tonic phrase. Its role depends on its position, not just its quality.