C Major Sixth/Ninth Chord

Also known as:
C6/9 , C Sixth/Ninth , C Major 6/9 , CM6/9 , Cmaj6/9 , CMaj6/9 , Cma6/9 , CΔ6/9

The C Major Sixth/Ninth Chord has a Major quality which includes a Major Third interval that produces a generally happy sound. C Major Sixth/Ninth Chord contains the notes C, E, G, A, D. The C Major Sixth/Ninth Chord is an Added type chord which means it includes a Triad (the Root C, the Third E, and the Fifth G) and one or more additional notes, in this case the Sixth A and the Ninth D.

Below you will find the C Major Sixth/Ninth Chord notes, notation, degrees, intervals, related scales and chords, and more.

Notes

C, E, G, A, D

Can be omitted: G

Notation

Degrees

NoteNumberName
C1Tonic
E3Mediant
G5Dominant
A6Submediant
D9Supertonic

Intervals

NotesSemitonesInterval
C > C0Perfect Unison (P1)
C > E4Major 3rd (M3)
C > G7Perfect 5th (P5)
C > A9Major 6th (M6)
C > D14Major 9th (M9)

Scales related to C Major Sixth/Ninth Chord

Chords related to C Major Sixth/Ninth Chord

If you want to learn what chords are and much more, check out our free Fundamentals of Music Theory course. If you already know some of the basics, you can jump straight into the chords lesson.

Learn more about Music Theory

More to learn