Voicing of Fb Dominant b5

Rooted II

Back to Fb7b5

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Left hand
Cbb3Ebb3Fb3Ab3
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4-Note Rooted

The Rooted II voicing of Fb7b5 stacks Cbb, Ebb, Fb and Ab from the bottom up: the flat 5th, minor 7th, root and major 3rd 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 Fb7b5 is Rooted I.