What is the oldest recorded sound in history? For over 100 years researchers thought they knew until a mind-blowing discovery by historians found something new - and technological advances allowed it to be played back for the first time in history. What is the oldest recording of a musical performance, president, battlefield, television broadcast, cell phone call, and more? Featuring Patrick Feaster, co-founder of <a href="https://www.firstsounds.org/">FirstSounds.org</a>, three-time Grammy nominee, and Ph.D. in Musicology as well as Lynn Novick, award-winning filmmaker, and co-directing partner of Ken Burns. Twenty Thousand Hertz is produced out of the studios of <a href="http://defactosound.com/">Defacto Sound</a> and hosted by <a href="http://dallastaylor.com/">Dallas Taylor</a>. Consider supporting the show at <a href="http://donate.20k.org/">donate.20k.org</a> Episode transcript, music, and credits can be found here: <a href="https://www.20k.org/episodes/soundfirsts">https://www.20k.org/episodes/soundfirsts</a> Learn more about your ad choices. Visit <a href="https://megaphone.fm/adchoices">megaphone.fm/adchoices</a>

Fight or Flight

A lovingly crafted podcast that reveals the stories behind the world's most recognizable and interesting sounds.