What is sound? And what does it mean to listen? In this episode, we ask what sound is, how it works, and how what you hear may not be the same as your neighbor.Threshold is nonprofit, listener-supported, and independently produced. You can support Threshold by donating today. To stay connected, sign up for our newsletter.We want to hear from you! Send us your questions about the new season, the content or how it’s made, for an upcoming behind-the-scenes episode. You can submit your questions to [email protected] Resources:Check out more from Evelyn Glennie on YouTube and on her website.

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