Jazzity

Voicing of Cb Dominant b5

Drop 2 III

Back to Cb7b5

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Left hand
Cb3
Right hand
Cb4Gbb4Bbb4Eb5
Family
Drop 2

The Drop 2 III voicing of Cb7b5 stacks Cb, Gbb, Bbb and Eb from the bottom up: the root, flat 5th, minor 7th and major 3rd of the chord.

It's one of the Drop 2 voicings: four-note chords in close position with the second note from the top dropped an octave, played over the root. The others for Cb7b5 are Drop 2 I, Drop 2 II and Drop 2 IV.