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

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D♯m9♭5

root position

D♯ half-diminished 9

root position

Notes

D♯, F♯, A, C♯, F

Parent major scale: D♯

The notes of the D♯ major scale are:

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

Similar chords

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

Upper structures

D♯ diminished + E♭aug (notes overlap)

Play it as two chords

F♯ minor D♯ · C♯

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

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

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