Short answer: Co7b9 is a C Diminished 7♭9 chord containing the notes C, E♭, G♭, B♭♭, D♭. It has 4 inversions. Use the diagrams below to learn each voicing on the keyboard.
Also known as: C°7b9
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Notes: C, E♭, G♭, B♭♭, D♭
Notes: E♭, G♭, B♭♭, C, D♭
Notes: G♭, B♭♭, C, D♭, E♭
Notes: B♭♭, C, D♭, E♭, G♭
Co7b9 is a C Diminished 7♭9 chord. It contains the notes C, E♭, G♭, B♭♭, D♭. On piano, play these notes simultaneously to sound the chord.
To play Co7b9 on piano, press the keys C, E♭, G♭, B♭♭, D♭ together. The root position uses these exact notes. There are 4 inversions available, each rearranging the same notes in a different order.
The Co7b9 chord contains the notes: C, E♭, G♭, B♭♭, D♭.
Co7b9 has 4 inversions. Each inversion rearranges the notes so a different note is at the bottom. The root position starts with the root note, the first inversion moves it to the top, and so on.
Co7b9 is also known as C°7b9. These are different notations for the same chord with the same notes: C, E♭, G♭, B♭♭, D♭.