Bb-6(addb9) Minor
The Bb-6(addb9) chord is built from the notes Bb – Db – F – G – Cb.
Piano sound loads on first tap.
Also known as
Bb-6(b9)Bb-6/9Bbmi6/9Bbmin6(b9)Bbmin6add9
Chord tones, one by one
BbRoot
Root
The fundamental note the chord is built on — Bb.
DbThird
Minor third
Three semitones — makes the chord minor (darker, sadder).
FFifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
GExtension
Thirteenth (13)
A 13th — full, rich top extension.
CbExtension
Flat ninth (♭9)
A ♭9 — sharp, dissonant tension typical of altered dominant chords.
🎼 Related scales
Dorian ♭2 (Phrygian ♮6)melodic minor a major 2nd below
🎹 Modal analysis
This chord implies the Dorian ♭2 (Phrygian ♮6) scale; its characteristic note is the ♭9 / ♭2. It is a mode of the melodic minor a major 2nd below.
🎸 Genres
Modern jazz · Post-bop · Fusion

