C9 (C dominant 9th): C E G B♭ D. Formula 1 3 5 ♭7 9. A dominant 7th with a 9th: full and funky, the chord of funk and soul vamps.

Made of5

Notes5

Contains & part of9

Scales that contain it9

Inversions5

  • C9

    Root position · C E G B♭ D

  • C9/E

    1st inversion · E G B♭ D C

  • C9/G

    2nd inversion · G B♭ D C E

  • C9/B♭

    3rd inversion · B♭ D C E G

  • C9/D

    4th inversion · D C E G B♭

Relatives6

Type1

Genres that use it5

Where it goes3

One small move away2

Its dominant1