C Minor Major Ninth Guitar Chord (Cm(maj9)) | Easy Ways to Play It

C m(maj9) guitar chord shapes

The Cm(maj9) chord, C minor major ninth, is spelled C, Eb, G, B and D. It is Cm(maj7) with a ninth added, so the B still sits a half step under the root while the D sits a whole step above it.

The Eb, G, B and D at the top of the chord spell an Ebmaj7#5, a handy way to hear the upper structure on its own. A fuller introduction to stacked chords is in the article on ninth chords. All five notes belong to the C melodic minor scale.

C minor major 9th guitar chord is also written as Cm(maj9), CmM9, Cminmaj9 or C-Δ9.

Notes of the C m(maj9) chord:

C Eb G B D

Chord Formula:

Formula: 1 b3 5 7 9

Play This Chord With Other Roots

C m(maj9) | D m(maj9) | E m(maj9) | F m(maj9) | G m(maj9) | A m(maj9) | B m(maj9) | C#m(maj9) | D#m(maj9) | F#m(maj9) | G#m(maj9) | A#m(maj9) | Abm(maj9) | Bbm(maj9) | Dbm(maj9) | Ebm(maj9) | Gbm(maj9)

Giancarlo Facoetti, founder of FaChords Guitar

Created by

Giancarlo Facoetti

Giancarlo is a musician (teaching guitar since 2000), software engineer, AI consultant and published researcher

FAQ

What notes are in Cm(maj9)?

Cm(maj9) is C, Eb, G, B and D. The B is the major seventh and the D is the ninth.

What is the formula of C minor major ninth?

It is 1, b3, 5, 7, 9. That is a minor triad with a major seventh and a ninth added to it.

Which scale holds Cm(maj9)?

C melodic minor: C, D, Eb, F, G, A, B. All five chord notes are in it, with the ninth D as its second degree.

How does Cm(maj9) differ from Cm9?

Cm9 has the minor seventh Bb. Cm(maj9) has B natural, one semitone higher, which makes the seventh major.

What is the interval between C and D in Cm(maj9)?

Counted an octave higher, D is a ninth, two semitones up from C once the octave is added. It extends the chord beyond the major seventh B.