How do pianos work? - a podcast by American Public Media

Behind every piano’s polished exterior are thousands of parts. From keys to strings, they work together to produce a sound.

In this episode, we take a field trip to a piano shop, peek behind the walls at a world-famous piano factory and have an EPIC FIGHTING BATTLE to discover how sound travels. And the Moment of Um answers this question: “Can you really hear the ocean in a seashell?”

This episode is sponsored by KiwiCo (kiwico.com/brains), Quip (getquip.com/brainson) and the Good Kids podcast. You can support the show and get access to a bonus Mystery Sound extravaganza episode at brainson.org/donate

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