How to Play Piano Chord: B♭ half-diminished 9 — 3rd inv | PianoKitty

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B♭m9♭5

3rd inversion

B♭ half-diminished 9

3rd inversion

Notes

A♭, C, B♭, D♭, E

Parent major scale: A♯

The notes of the A♯ major scale are:

#	Note	Function
1	A♯	root
2	C	second
3	D	third
4	D♯	fourth
5	F	fifth
6	G	sixth
7	A	seventh
8	A♯	octave
9	C	ninth

Major scale pattern

The semitone pattern for a major scale is:

WWHWWWH

where:

W = Whole step (2 semitones)
H = Half step (1 semitone)

half-diminished 9 chord pattern

1, ♭3, ♭5, ♭7, 9

root	B♭
flat third	D♭
flat fifth	E
flat seventh	A♭
ninth	C

Similar chords

B♭ half-diminished 7 with a major 3rd added on top (4 semitones)
B♭ dominant 9 flat 5 with raised third
B♭ minor 9 with raised fifth

Upper structures

B♭ diminished + B♭aug (notes overlap)

Play it as two chords

C♯ minor A♯ · G♯

C♯–E–G♯ = ♭3, ♭5, ♭7 · left hand: root + ♭7

Practice the half-diminished 9 chords Practice all inversions of B♭m9♭5

The keyboard can of every chord — change it any time in Preferences.