Cm(add9) chord on guitar
Cm(add9) is the minor added ninth chord: C, Eb, G and D (1–b3–5–9). On guitar, the diagram shape is x 3 0 0 4 3, with C in the bass.
On the guitar, six strings give the chord room to breathe — some positions use them all, others ask you to mute the lowest ones. In this Cm(add9) voicing the bass is C and the shape runs from fret 3 to 4, ringing 2 open strings. Its hollow wooden body gives every chord a warm, natural ring that blooms and fades on its own.
Notes and formula of Cm(add9)
Notes in Cm(add9): C – Eb – G – DFormula: 1 – b3 – 5 – 9In the formula, the numbers count steps of the major scale starting from the note that names the chord; "b" lowers a half step, "#" raises one — and a slash names the bass note.
Where to use it
Ballads, soundtracks and arrangements with a more open minor color.
See also
Part of the Added-tone family.