Cmaj9
Extended · C root
Cmaj9
Lush and expansive. Adds colour above the major 7th chord.
0 st4 st7 st11 st14 st
Notes in Cmaj9
CRoot
E3rd
G5th
B7th
D9th
C is the natural starting point — no sharps or flats. The clearest key to hear chord quality in isolation.
Identify the Chord Quality on C
Each chord below is played on C. Listen and identify whether you heard Cmaj9, Cm, C7, or another quality — the hardest and most useful ear training skill.
Major 9th in All 12 Keys
Other Chords in C
Related Extended
About the Cmaj9 Chord
The Cmaj9 chord is a major 9th chord built on C. It contains the notes C, E, G, B, D — the root, third, fifth, seventh, and extensions.
Lush and expansive. Adds colour above the major 7th chord. Practising the Cmaj9 chord across different voicings and contexts builds the harmonic recognition that lets you identify it instantly in any musical setting — whether in a band mix, a recording, or a live performance.