What is a C#m9 Chord?

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C#m9

C#m9 Minor 9th

String-by-String

E
×
A
4
D
2
G
4
B
4
e
4

C#m9 Minor 9th is a minor ninth chord with the root C#, minor third E, perfect fifth G#, minor seventh B, and major ninth D#. It has a smooth, soulful character loved in neo-soul and jazz.

Intervals

RootMinor 3rdPerfect 5thMinor 7thMajor 9th

Notes

C#EG#BD#

Why does C#m9 sound smooth and soulful?

The C#m9 Minor 9th chord gets its smooth and soulful character from the combination of its root, minor 3rd, perfect 5th, minor 7th, major 9th. The specific intervals between the notes C#, E, G#, B, D#create the harmonic tension and color that define this chord's unique sonic signature.

How to use C#m9?

C#m9 is commonly used in progressions across many genres. Try substituting it where you would normally play a standard C# chord for added harmonic interest. It pairs well with other chords in the key of C# and can serve as both a foundation and a color chord depending on the context.