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

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F♯m7♭5♭9

root position

F♯ half-diminished 7 flat 9

root position

Notes

F♯, A, C, E, G

Parent major scale: F♯

The notes of the F♯ major scale are:

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

Similar chords

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

Upper structures

F♯ diminished + F♯ (notes overlap)

Play it as two chords

C major F♯ · E

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

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

Practice the half-diminished 7 flat 9 chords Practice all inversions of F♯m7♭5♭9

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