The B mi11♭5 chord is a six-note chord made up of B, D, F, A, C♯, and E. It is built from a root, minor third, diminished fifth, minor seventh, major ninth, and perfect eleventh.
Construction
B mi11♭5 = Root + Minor 3rd + Diminished 5th + Minor 7th + Major 2nd + Perfect 4th = B · D · F · A · C♯ · E
| Note | Interval | Degree |
|---|---|---|
| B | Root | 1 |
| D | Minor 3rd | ♭3 |
| F | Diminished 5th | ♭5 |
| A | Minor 7th | ♭7 |
| C♯ | Major 2nd | 9 |
| E | Perfect 4th | 11 |
Key Signature
A chord has no key signature of its own, but the B mi11♭5 is the tonic (I) chord of B Major, whose key signature has 5 sharps (F♯, C♯, G♯, D♯, A♯).
F♯C♯G♯D♯A♯
Order of sharps
Sharps are added to a key signature in a fixed order. Each new sharp key adds the next sharp on the list.
F♯C♯G♯D♯A♯E♯B♯
Mnemonic: Father Charles Goes Down And Ends Battle
Chords in the Key of B Major
These are the triads built on each degree of the B major scale:
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 B mi11♭5 chord?
The B mi11♭5 chord (Bmi11♭5) contains 6 notes: B, D, F, A, C#, E. Formula: R-m3-d5-m7-M9-P11.
How is Bmi11♭5 used in music?
Bmi11♭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 Bmi11♭5?
Bmi11♭5 uses scale degrees 1-b3-b5-b7-9-11, giving it its distinctive sound.