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A piano reference: chords, scales, theory. Full MIDI.

C♭ 7♭9

Notes: C♭ – E♭ – G♭ – B♭♭ – D♭♭
Degrees: 1 – 3 – 5 – ♭7 – ♭9
Also written: C♭7♭9Raise D♭♭ to D♭ and it is C♭9. C♭, E♭, G♭ and B♭♭ do not move.

The C♭ 7♭9 chord is a five-note chord made up of C♭, E♭, G♭, B♭♭, and D♭♭.

C♭ 7♭9 chord: C♭, E♭, G♭, B♭♭, D♭♭

It is built from a root, major third, perfect fifth, minor seventh, and minor ninth.

A dominant 7th with a flatted 9th: sharply dissonant, the textbook V7 resolving to a minor chord.

Construction

C♭ 7♭9 = Root + Major 3rd + Perfect 5th + Minor 7th + Minor 2nd = C♭, E♭, G♭, B♭♭, D♭♭
NoteIntervalDegree
C♭Root1
E♭Major 3rd3
G♭Perfect 5th5
B♭♭Minor 7th♭7
D♭♭Minor 2nd♭9

How to Play the C♭ 7♭9

Right Hand (RH)

Place your right hand over the keys with the thumb on the root. Use the fingering: 1 – 2 – 3 – 4 – 5

Left Hand (LH)

For the left hand, start with your pinky on the root. Use the fingering: 5 – 4 – 3 – 2 – 1

C♭ 7♭9 : Frequently Asked Questions

What is the C♭ 7♭9 chord on piano?
The C♭ 7♭9 chord contains the notes C♭ – E♭ – G♭ – B♭♭ – D♭♭. On piano, play these notes together to sound the chord.
What notes are in the Cb 7♭9 chord?
The Cb 7♭9 chord (Cb7♭9) contains 5 notes: Cb, E, G, Bb, Db. Formula: R-M3-P5-m7-m9.
How is Cb7♭9 used in music?
Cb7♭9 is used in jazz, fusion, and contemporary music to add harmonic color. It appears as a dominant or tonic chord depending on context.
What is the scale degree formula for Cb7♭9?
Cb7♭9 uses scale degrees 1-3-5-b7-b9, giving it its distinctive sound.

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