C minor 6/9 chord
Cm6/9 chord for piano with keyboard diagram.
Explanation: The C minor sixth/ninth is a five-note chord. Due to practical circumstances, however, the fifth (G) is often omitted and/or the chord is played inverted. The chord is abbreviated Cm6/9. It can also be written Cm6add9.
Theory: The Cm6/9 chord is constructed with a root, a minor third, a perfect fifth, a major sixth and a major ninth.
Notes: C - Eb - G - A - D