How to Play Piano Chord: C half-diminished 13 — 4th inv

Cm13♭5

4th inversion

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4th inversion

D, F, A, C, E♭, G♭, B♭

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, 13

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 major C · A♯

D–F♯–A = 9, ♭5, 13 · left hand: root + ♭7

a major triad a whole step up from the root

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