C m7(b9)(#9)

The C m7(b9)(#9) chord consists of the C (Perfect unison), D# (Minor third), G (Perfect fifth), A# (Minor seventh), C# (Minor ninth) and D# (Minor tenth) notes.

Piano keyboard showing the notes for a C m7(b9)(#9) chord

How to play the C m7(b9)(#9) chord

  1. Find C (Root) on the piano keyboard
  2. Add D# (Minor third) — 3 semitones above C
  3. Add G (Perfect fifth) — 7 semitones above C
  4. Add A# (Minor seventh) — 10 semitones above C
  5. Add C# (Minor ninth) — 13 semitones above C
  6. Add D# (Minor tenth) — 15 semitones above C
  7. Press all 6 notes simultaneously to sound the C m7(b9)(#9) chord

Inversions with same root

Related chords with different root

Related slash chords