How to Play Piano Chord: A half-diminished 7 flat 9 — root | PianoKitty

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Am7♭5♭9

root position

A half-diminished 7 flat 9

root position

Notes

A, C, D♯, G, B♭

Parent major scale: A

The notes of the A major scale are:

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

1, ♭3, ♭5, ♭7, ♭9

root	A
flat third	C
flat fifth	D♯
flat seventh	G
flat ninth	B♭

Similar chords

A half-diminished 7 with a minor 3rd added on top (3 semitones)
A minor 7 flat 9 with raised fifth

Upper structures

A diminished + A (notes overlap)

Play it as two chords

E♭ major A · G

D♯–G–A♯ = ♭5, ♭7, ♭9 · left hand: root + ♭7
C minor A · G

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

Practice the half-diminished 7 flat 9 chords Practice all inversions of Am7♭5♭9

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