B-11b9 Minor 7th
The B-11b9 chord is built from the notes B – D – F# – A – C – E.
Piano sound loads on first tap.
Also known as
Bm11(b9)Bm11addb9Bm11b9Bm7(b9,11)Bmin11b9
Chord tones, one by one
BRoot
Root
The fundamental note the chord is built on — B.
DThird
Minor third
Three semitones — makes the chord minor (darker, sadder).
F#Fifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
ASeventh
Minor seventh (♭7)
Ten semitones — the dominant/minor seventh. Adds bluesy tension (7, m7).
CExtension
Flat ninth (♭9)
A ♭9 — sharp, dissonant tension typical of altered dominant chords.
EExtension
Eleventh (11)
An 11th — a suspended, airy color on top of the chord.
🎼 Related scales
🎹 Modal analysis
This chord implies the Phrygian scale; its characteristic note is the ♭9 / ♭2.
🎸 Genres
Flamenco · Metal · Modal jazz