Voicing of Fb Augmented 7

Rooted Guide Tones I

Back to Fb7#5

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Left hand
Fb3Ab3Ebb4
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Rooted Guide Tones

The Rooted Guide Tones I voicing of Fb7#5 stacks Fb, Ab and Ebb from the bottom up: the root, major 3rd and minor 7th of the chord.

It's one of the Rooted Guide Tones voicings: the root, 3rd and 7th in the left hand, as bebop pianists comped. The other for Fb7#5 is Rooted Guide Tones II.