How to Play Piano Chord: B♭ half-diminished 11 — 1st inv

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B♭m11♭5

1st inversion

B♭ half-diminished 11

1st inversion

D♭, E, A♭, C, E♭, B♭

The notes of the A♯ major scale are:

Major scale pattern

The semitone pattern for a major scale is:

WWHWWWH

where:

1, ♭3, ♭5, ♭7, 9, 11

A♭ major A♯ · G♯

G♯–C–D♯ = ♭7, 9, 11 · left hand: root + ♭7

a major triad a whole step down from the root
C♯ minor A♯ · G♯

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

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