People React to Geoff Castellucci Low Notes (mostly)

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Geoff Castellucci G#1 | SIXTEEN TONS - Low Bass Singer Cover | Reactions

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Vocal Coach Reacts to Geoff Castellucci SIXTEEN TONS

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Geoff Castellucci's E1 & B4 | 'Oogie Boogie's Song' - VoicePlay A Cappella Cover

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Secrets of Subharmonics and Overtones REVEALED! Vocal Analysis of Bass Singer: Geoff Castellucci

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VOICEPLAY I The Little Mermaid Medley I Vocal Coach Reacts!

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