The C♭ mi11♭5 chord is a six-note chord made up of C♭, E♭♭, G♭♭, B♭♭, D♭, and F♭. It is built from a root, minor third, diminished fifth, minor seventh, major ninth, and perfect eleventh.
Construction
C♭ mi11♭5 = Root + Minor 3rd + Diminished 5th + Minor 7th + Major 2nd + Perfect 4th = C♭ · E♭♭ · G♭♭ · B♭♭ · D♭ · F♭
| Note | Interval | Degree |
|---|---|---|
| C♭ | Root | 1 |
| E♭♭ | Minor 3rd | ♭3 |
| G♭♭ | Diminished 5th | ♭5 |
| B♭♭ | Minor 7th | ♭7 |
| D♭ | Major 2nd | 9 |
| F♭ | Perfect 4th | 11 |
Key Signature
A chord has no key signature of its own, but the C♭ mi11♭5 is the tonic (I) chord of Cb Major, whose key signature has 7 flats (B♭, E♭, A♭, D♭, G♭, C♭, F♭).
B♭E♭A♭D♭G♭C♭F♭
Order of flats
Flats are added in a fixed order — the reverse of the sharp order. Each new flat key adds the next flat on the list.
B♭E♭A♭D♭G♭C♭F♭
Mnemonic: Battle Ends And Down Goes Charles’ Father
Chords in the Key of C♭ Major
These are the triads built on each degree of the C♭ major scale:
C♭ mi11♭5 — Frequently Asked Questions
What is the C♭ mi11♭5 chord on piano?
The C♭ mi11♭5 chord contains the notes C♭ – E♭♭ – G♭♭ – B♭♭ – D♭ – F♭. On piano, play these notes together to sound the chord.
What notes are in the Cb mi11♭5 chord?
The Cb mi11♭5 chord (Cbmi11♭5) contains 6 notes: Cb, Eb, Gb, Bb, D, F. Formula: R-m3-d5-m7-M9-P11.
How is Cbmi11♭5 used in music?
Cbmi11♭5 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 Cbmi11♭5?
Cbmi11♭5 uses scale degrees 1-b3-b5-b7-9-11, giving it its distinctive sound.