Bm9 piano chord — the keys, the inversions, the theory
Bm9 is a minor ninth chord built from B, D, F#, A, C#. Below: the keys to press, every inversion with its own diagram, the intervals it is made of, the keys whose scale contains it, and a progression that actually uses it. Press any diagram to hear it.
Bm9
B · D · F# · A · C#
Semitones above the root: 0 – 3 – 7 – 10 – 14
The third is minor — one semitone lower than in a major chord — which is where the darker colour comes from.
Inversions of Bm9
Root position
B · D · F# · A · C# · bass B
Inversion 1
D · F# · A · B · C# · bass D
Inversion 2
F# · A · B · C# · D · bass F#
Inversion 3
A · B · C# · D · F# · bass A
Same chord, different note at the bottom. Press a diagram to hear it — inversions are how you move between chords without jumping your hand across the keyboard.
Keys that contain Bm9
- Dvi
- Aii
In D it does this job: I – V – vi – IV
- D
- A
- Bm9
- G