How to Play Piano Chord: B♭ half-diminished 7 — root | PianoKitty

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B♭m7♭5

root position

B♭ half-diminished 7

root position

Notes

B♭, D♭, E, A♭

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

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 chord pattern

1, ♭3, ♭5, ♭7

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

Similar chords

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

Play it as two chords

C♯ minor A♯ · G♯

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

Practice the half-diminished 7 chords Practice all inversions of B♭m7♭5

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