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

B♭ mi11♭5

Notes: B♭ – D♭ – F♭ – A♭ – C – E♭
Degrees: 1 – ♭3 – ♭5 – ♭7 – 9 – 11
Also written: B♭m11♭5Raise F♭ to F and it is B♭m11. B♭, C, D♭, E♭ and A♭ do not move.
A♯ mi11♭5
This is the same chord as A♯ mi11♭5: the same keys on the keyboard, spelled with sharps.

Construction

B♭ mi11♭5 = Root + Minor 3rd + Diminished 5th + Minor 7th + Major 2nd + Perfect 4th = B♭, D♭, F♭, A♭, C, E♭
NoteIntervalDegree
B♭Root1
D♭Minor 3rd♭3
F♭Diminished 5th♭5
A♭Minor 7th♭7
CMajor 2nd9
E♭Perfect 4th11

B♭ mi11♭5 : Frequently Asked Questions

What is the B♭ mi11♭5 chord on piano?
The B♭ mi11♭5 chord contains the notes B♭ – D♭ – F♭ – A♭ – C – E♭. On piano, play these notes together to sound the chord.
What notes are in the Bb mi11♭5 chord?
The Bb mi11♭5 chord (Bbmi11♭5) contains 6 notes: Bb, Db, E, Ab, C, Eb. Formula: R-m3-d5-m7-M9-P11.
How is Bbmi11♭5 used in music?
Bbmi11♭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 Bbmi11♭5?
Bbmi11♭5 uses scale degrees 1-b3-b5-b7-9-11, giving it its distinctive sound.

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