Whether you're 6 years old, or 96 years old, one of the most memorable parts of going to the movies for the last three decades has been the THX "Deep Note" trailer. Unfortunately, they lost the original sound file. What happened? Also, what do sound designers & musicians think about it? Featuring Andy Moorer, creator of “The Deep Note” and global director of marketing for THX, Rob Cowles. The episode also features Musician, Producer and Professor Thomas Dolby, and Scott Simonelli, the founder of Veritonic.  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. Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/thxdeepnote2 Learn more about your ad choices. Visit megaphone.fm/adchoices