Voicing of D Half Diminished

Rooted I

Back to Dm7b5

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Left hand
D3F3Ab3C4
Family
4-Note Rooted

The Rooted I voicing of Dm7b5 stacks D, F, Ab and C from the bottom up: the root, minor 3rd, flat 5th and minor 7th of the chord.

It's one of the 4-Note Rooted voicings: four-note voicings with the root on the bottom or inside, in the left hand. The other for Dm7b5 is Rooted II.