Cm9b5 chord on piano
C Half-Diminished Ninth. Notes: C, Eb, Gb, Bb and D.
How to play Cm9b5
- Find C at or above middle C. That is the root.
- Add Eb, Gb, Bb and D above it, skipping the keys in between.
- Right hand fingering: 1-2-3-4-5, or split the chord between both hands. Left hand: play the root and fifth, and leave the upper notes to the right hand.
Notes
Croot
Ebb3 · minor third
Gbb5 · diminished fifth
Bbb7 · minor seventh
D9 · ninth
Notes and theory
Croot
Ebb3 · minor third
Gbb5 · diminished fifth
Bbb7 · minor seventh
D9 · ninth
The m9b5 adds a ninth to a half-diminished chord, used in minor-key jazz. The formula is 1 b3 b5 b7 9.
More C chords
All C piano chordsCmajorCmminorC7dominant seventhCm7minor seventhCmaj7major seventhCsus4suspended fourthCsus2suspended secondCdimdiminishedCaugaugmentedC6major sixthC9dominant ninthCadd9added ninthCm7b5half-diminishedCdim7diminished seventhC7sus4dominant seventh suspended fourthC5power chordCm6minor sixthCm9minor ninth
half-diminished ninth chords in every key
Questions
What notes are in the Cm9b5 chord?
Cm9b5 (C half-diminished ninth) is made of five notes: C (root), Eb (minor third), Gb (diminished fifth), Bb (minor seventh) and D (ninth).
How do you play Cm9b5 on piano?
Play C, Eb, Gb, Bb and D together. With the right hand use fingers 1-2-3-4-5, or split the chord between both hands; with the left hand use play the root and fifth, and leave the upper notes to the right hand.
What does a half-diminished ninth chord sound like?
The m9b5 adds a ninth to a half-diminished chord, used in minor-key jazz.