For this special episode, we’ve passed the mic to our listeners to hear six unexpected stories about sound. Featuring auditory hallucinations, amplified heartbeats, long remembered voices, and whistles both strange and familiar. Twenty Thousand Hertz is produced by Defacto Sound. Subscribe on ⁠⁠⁠⁠⁠⁠⁠⁠YouTube⁠⁠⁠⁠⁠⁠⁠⁠⁠ to see our video series. If you know what this week's mystery sound is, tell us at ⁠⁠⁠⁠⁠⁠⁠⁠mystery.20k.org⁠⁠⁠⁠⁠⁠⁠⁠. Support the show and get ad-free episodes at ⁠⁠⁠⁠⁠⁠20k.org/plus⁠⁠⁠⁠⁠⁠. Follow Dallas on ⁠⁠⁠⁠⁠⁠Instagram⁠⁠⁠⁠⁠⁠, ⁠⁠⁠⁠⁠⁠TikTok⁠⁠⁠⁠⁠⁠, ⁠Facebook⁠, and ⁠⁠⁠⁠⁠⁠LinkedIn⁠⁠⁠⁠⁠⁠. Join our community on ⁠⁠⁠⁠⁠⁠Reddit⁠⁠⁠⁠⁠⁠. Find the right doctor, right now at zocdoc.com/20k. Get a FREE Netsuite KPI Checklist at netsuite.com/20k. Sign up for a one-dollar-per-month trial at shopify.com/20k. Learn a new language with 55% percent off at babbel.com/20k. Episode transcript, music, and credits can be found here: www.20k.org/episodes/listenerstories Learn more about your ad choices. Visit megaphone.fm/adchoices