Beatboxer Tom Thum helps demonstrate two key properties of sound - resonance and frequency. Subscribe to ABC Science 👉 https://ab.co/2YFO4Go

Thanks to physicist Dr John Debs (Australian National University) and ENT specialist Dr Matthew Broadhurst for their expertise.

This excerpt is from the Australian documentary series, Catalyst – The Soundtrack of Australia. Australians can stream on ABC iview 👉 https://ab.co/TheSoundtrackOfAustralia

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