How to Play Piano Chord: D♯ half-diminished 11 — root

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D♯m11♭5

root position

D♯ half-diminished 11

root position

D♯, F♯, A, C♯, F, G♯

The notes of the D♯ major scale are:

Major scale pattern

The semitone pattern for a major scale is:

WWHWWWH

where:

1, ♭3, ♭5, ♭7, 9, 11

D♭ major D♯ · C♯

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

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

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

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