Why do we knock like this? | What Is Music

Uploader: ABC News In-depth

Original upload date: Fri, 25 Oct 2019 00:00:00 GMT

Archive date: Fri, 03 Dec 2021 09:36:19 GMT

Ever wondered why we all knock with this peculiar rhythm? Dan Golding of What is Music, explores the fascinating history of the “Door Knock”. Watch more from the What Is Music series ►► https://bit.l
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