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

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Cm11♭5

1st inversion

C half-diminished 11

1st inversion

E♭, G♭, B♭, D, F, C

The notes of the C major scale are:

Major scale pattern

The semitone pattern for a major scale is:

WWHWWWH

where:

1, ♭3, ♭5, ♭7, 9, 11

B♭ major C · A♯

A♯–D–F = ♭7, 9, 11 · left hand: root + ♭7

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

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

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