How to Play Piano Chord: G half-diminished 9 — root | PianoKitty

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Gm9♭5

root position

G half-diminished 9

root position

Notes

G, B♭, D♭, F, A

Parent major scale: G

The notes of the G major scale are:

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

Similar chords

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

Upper structures

G diminished + Gaug (notes overlap)

Play it as two chords

B♭ minor G · F

A♯–C♯–F = ♭3, ♭5, ♭7 · left hand: root + ♭7

Practice the half-diminished 9 chords Practice all inversions of Gm9♭5

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