C♭ 9♯11

Notes: C♭ – E♭ – G♭ – B♭♭ – D♭ – F
Degrees: 1 – 3 – 5 – ♭7 – 9 – ♯11Also written: C♭9♯11Lower D♭ to D♭♭ and it is C♭7♭9♯11; raise D♭ to D and it is C♭7♯9♯11. C♭, E♭, F, G♭ and B♭♭ do not move.

The C♭ 9♯11 chord is a six-note chord made up of C♭, E♭, G♭, B♭♭, D♭, and F.

C♭ 9♯11 chord: C♭, E♭, G♭, B♭♭, D♭, F

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

A dominant 9th with a raised 11th: Lydian dominant, the sound of jazz fusion and modal post-bop.

Construction

C♭ 9♯11 = Root + Major 3rd + Perfect 5th + Minor 7th + Major 2nd + Diminished 5th = C♭, E♭, G♭, B♭♭, D♭, F

Note	Interval	Degree
C♭	Root	1
E♭	Major 3rd	3
G♭	Perfect 5th	5
B♭♭	Minor 7th	♭7
D♭	Major 2nd	9
F	Diminished 5th	♭5

C♭ 9♯11 : Frequently Asked Questions

What is the C♭ 9♯11 chord on piano?

The C♭ 9♯11 chord contains the notes C♭ – E♭ – G♭ – B♭♭ – D♭ – F. On piano, play these notes together to sound the chord.

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