There’s an uncomfortable genre of bootleg classical music recordings floating around the internet. They’re big, public bloopers by professional musicians. They’re somewhat rare, and in many cases they’re posted anonymously. They’re sort of mysterious. But hearing a little crack in the facade every now and then, can make music more approachable, and a little more human. Learn more about your ad choices. Visit <a href="https://megaphone.fm/adchoices">megaphone.fm/adchoices</a>

Sound is energy. It’s intimate and startling and immediate. Each episode of Sound Show explores one topic in sound, like music, film, silence, or communication. Every week we talk to the people who make and hear the strangest, most interesting sounds in that topic.