
10 Years of 20K! How It All BeganTo celebrate ten years of Twenty Thousand Hertz, Dallas reveals the oral history of the show, including the career detours, financial gambles, and chance encounters that made it possible. From touring with The Cavaliers, to mixing Mythbusters, to building a sound studio in his basement, he traces the winding path that led him to start a podcast… and the act of generosity from a personal hero that helped it find an audience. Plus, we open the archives to play the unaired 20K pilot that he can barely stand to hear. Twenty Thousand Hertz is produced by Defacto Sound. Support the show and get ad-free episodes at 20k.org/plus. Subscribe on YouTube to see our video series. Follow Dallas on Instagram, TikTok, Facebook, and LinkedIn. If you know what this week's mystery sound is, tell us at mystery.20k.org. Get 15% off your first order of Blueland cleaning essentials at blueland.com/20k. Automate your expenses with Ramp and get $250 off at ramp.com/20k. Visit quo.com/20k for 20% of your first 6 months of business phone software.
How modern Music Supervisors craft the perfect Needle DropIn Part 2 of our deep dive into needle drops, Dallas, Casey and Grace uncover more surprising stories behind some of cinema’s most unforgettable song choices. From a fiercely contested track that became a ‘90s comedy staple, to Quentin Tarantino’s habit of raiding old movie soundtracks, these pairings often took strange and unexpected paths to the screen. Along the way, they explore the hidden world of Music Supervision, impossible price tags, and the controversy around musical “soundalikes.” Twenty Thousand Hertz is produced by Defacto Sound. Subscribe on YouTube to see our video series. Follow Dallas on Instagram, TikTok, Facebook, and LinkedIn. If you know what this week's mystery sound is, tell us at mystery.20k.org. Automate your expenses with Ramp and get $250 off at ramp.com/20k. Get three months of free payroll with Gusto at gusto.com/20k. Get NetSuite's free business guide, "Aligning for the Agentic Era: How AI Is Changing Everyday Work," at netsuite.com/20k.
Needle Drops: How pop songs first started showing up in moviesWhen a filmmaker pairs a scene with the perfect song, the results can become iconic. But when and how did movies start using popular music this way? In this episode, Dallas, Casey and Grace trace the history of “needle drops,” from a forgotten Broadway song that became an unlikely hit, to the rock ‘n’ roll record that transformed movie soundtracks, to the happy accidents behind some of the most famous scenes of the ‘60s, ‘70s, and ‘80s. Along the way, they reveal how movies and popular music became permanently intertwined. Build your Sonos home sound system today at sonos.com. Twenty Thousand Hertz is produced by Defacto Sound. Support the show and get ad-free episodes at 20k.org/plus. Subscribe on YouTube to see our video series. Follow Dallas on Instagram, TikTok, Facebook, and LinkedIn. If you know what this week's mystery sound is, tell us at mystery.20k.org.
Guess That Sound: Video Game EditionFor a special video game edition of our Guess That Sound competition, we invited three game audio experts to test their ears on 18 sounds from gaming history. Play along as they identify iconic fanfares, weapons, spells, power-ups, and some seriously tricky deep cuts. Who will claim the title of ultimate video game sound expert? Featuring Foley Artist and Sound Editor Joanna Fang, Senior Interactive Sound Designer Mark Kilborn, and Sound Designer and Composer Jeffrey Brice. Twenty Thousand Hertz is produced by Defacto Sound. Support the show and get ad-free episodes at 20k.org/plus. Subscribe on YouTube to see our video series. Follow Dallas on Instagram, TikTok, Facebook, and LinkedIn. If you know what this week's mystery sound is, tell us at mystery.20k.org. Get three months of free payroll with Gusto at gusto.com/20k. Visit quo.com/20k for 20% of your first 6 months of business phone software. Build your Sonos home sound system today at sonos.com.
Listener Stories 2026 (Gold): Protest Pop & Birthday BalladsWe’re proud to present the top selections from our 2026 Listener Story competition. In these extraordinary pieces, you’ll hear about the forgotten world of free online record labels, the controversial sounds that shape public spaces, the hidden history of a global pop hit, and finally, this year’s winning story. Twenty Thousand Hertz is produced by Defacto Sound. Subscribe on YouTube to see our video series. Follow Dallas on Instagram, TikTok, Facebook, and LinkedIn. 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. Listener Links: * Explore Wesley Slover’s custom music at sanctus.audio. * Learn about the Sound Co-Op audio collective. * Learn about defensive urbanism and subscribe to Darknet Diaries. * Explore Ricardo Ramirez’s work at rezsounds.com. Build your home sound system today at sonos.com. Get NetSuite's free business guide, "Aligning for the Agentic Era: How AI Is Changing Everyday Work," at netsuite.com/20k.
I'm (Still) Lovin' It: The McDonald's Jingle Saga ContinuesThe “I’m Lovin’ It” jingle is one of the most recognizable melodies on Earth. But the story behind it involves a global competition, thousands of mixes, a Trojan Horse pop song, and a surprising amount of celebrity beef. In this updated version of one of our favorite episodes, we trace how a five-note jingle became a worldwide phenomenon, and the controversy over who actually wrote it. Featuring Tom Batoy and Franco Tortora of Mona Davis Music. Twenty Thousand Hertz is produced by Defacto Sound. Support the show and get ad-free episodes at 20k.org/plus. Subscribe on YouTube to see our video series. Follow Dallas on Instagram, TikTok, Facebook, and LinkedIn. If you know what this week's mystery sound is, tell us at mystery.20k.org. Get three months of free payroll with Gusto at gusto.com/20k. Visit quo.com/20k for 20% of your first 6 months of business phone software.
Listener Stories 2026 (Silver): Keyboard Clicks & Singing ForestsOur 2026 Listener Story competition continues with five more incredible listener-made pieces. In this Silver collection, you’ll hear the surprising craft behind mechanical keyboards, the natural sounds hidden in Indian ragas, and how learning a new language can transform noise into belonging. Twenty Thousand Hertz is produced by Defacto Sound. Subscribe on YouTube to see our video series. Follow Dallas on Instagram, TikTok, Facebook, and LinkedIn. 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. Listener Links: * Hear Leonardo Barrios’ music under the name Bardø on Spotify. * Learn about Ross Maddox’s work testing the hearing of babies at maddoxlab.org. * Explore Nathaniel Harrison’s work with Shore 3 Studios. * Hear Vicki Hansen’s music under the name Indiajiva on Youtube and Spotify. Try NetSuite Next for free at netsuite.ai/20k. Shopify: Own your customer relationships. Own your revenue. Start with a free trial at shopify.com/20k
Colbert & Fallon: Mixing Music for Late Night TVMixing music for Late Night television means working fast, putting artists at ease, and delivering polished mixes under immense pressure. In this episode, the Music Mixers of The Late Show with Stephen Colbert and The Tonight Show Starring Jimmy Fallon swap stories from decades behind the console. They reveal performances that went sideways, why backing tracks can actually make their jobs harder, and what it’s like mixing everyone from Cynthia Erivo to Paul McCartney. Featuring Harvey Goldberg and Lawrence Manchester. Twenty Thousand Hertz is produced by Defacto Sound. Watch Dallas' on-set videos with Harvey (The Late Show) and Lawrence (The Tonight Show). Follow Dallas on Instagram, TikTok, Facebook, and LinkedIn. Support the show and get ad-free episodes at 20k.org/plus. If you know what this week's mystery sound is, tell us at mystery.20k.org. Get three months of free payroll with Gusto at gusto.com/20k. Visit quo.com/20k for 20% of your first 6 months of business phone software.
Listener Stories 2026 (Bronze): AI Music & Coral CracklesTwenty Thousand Hertz proudly presents the first five selections from our 2026 Listener Story competition. From AI-generated music, to the hidden crackle of coral reefs, to historic birdsong recordings, these bite-sized stories are crafted with curiosity and care. Twenty Thousand Hertz is produced by Defacto Sound. Subscribe on YouTube to see our video series. Follow Dallas on Instagram, TikTok, Facebook, and LinkedIn. Support the show and get ad-free episodes at 20k.org/plus. If you know what this week's mystery sound is, tell us at mystery.20k.org. Listener Links: * Hear Maria Ordovas Montanez's work on the Out There podcast. * Follow Rob Porter's Songbirding podcast. * Follow Victor Sanchez's work with DC Producciones. Try NetSuite Next for free at netsuite.ai/20k. Shopify: Own your customer relationships. Own your revenue. Start with a free trial at shopify.com/20k Visit quo.com/20k for 20% of your first 6 months of business phone software.
Eurovision Song Contest: Inside the Gimmicks & GlamourFor millions of people, Eurovision is a cultural institution, and one of the biggest live television events on Earth. But for many Americans, it remains a complete mystery. In this episode, producer Andrew Anderson takes Dallas and Grace on a joyful crash course through the history, music, controversies, and glorious absurdity of the Eurovision Song Contest. Along the way, they discover which music superstars got their start in Eurovision, how receiving “nul points” can ruin or launch a career, and what this competition reveals about Europe itself. Featuring “Doctor Eurovision” Paul Jordan.
John Williams: A Composer’s LegacyIn our last episode, we followed composer John Williams from his childhood to his 1970s run with Steven Spielberg and George Lucas. Now, we pick up the story as John enters an era of seemingly impossible success… from Raiders of the Lost Ark to Home Alone, Jurassic Park, Schindler’s List, and beyond. In this episode, we explore how John revived the grand orchestral score, conquered the classical music world, and crafted melodies that millions of people can instantly recognize. Along the way, journalist Tim Greiving reveals the habits, quirks, and creative brilliance of this living legend. Twenty Thousand Hertz is produced by Defacto Sound. Support the show and get ad-free episodes at 20k.org/plus. Subscribe on YouTube to see our video series. If you know what this week's mystery sound is, tell us at mystery.20k.org. Follow Dallas on Instagram, TikTok, Facebook, and LinkedIn. Find out how you can get the iPhone 17 Pro at no cost with an eligible trade in at att.com/iphone, or by visiting an AT&T store. Visit quo.com/20k for 20% of your first 6 months of business phone software. Sign up for a one-dollar-per-month Shopify trial at shopify.com/20k. Learn more about your ad choices. Visit megaphone.fm/adchoices
John Williams: A Composer’s LifeJohn Williams has written some of the most famous film scores ever, from Star Wars to Indiana Jones to Jurassic Park. But before the blockbuster success, there was a kid growing up around jazz musicians in New York, and a young composer trying to find his voice. In this episode, journalist Tim Greiving takes us through John’s early life and career, from his years as a session player to the meeting with Steven Spielberg that changed everything. Along the way, we unpack the stories behind John’s early iconic scores, including the two-note terror of Jaws, the symphonic world of Star Wars, and the mysteries of Close Encounters of the Third Kind. Twenty Thousand Hertz is produced by Defacto Sound. Subscribe on YouTube to see our video series. Follow Dallas on Instagram, TikTok, Facebook, and LinkedIn. Support the show and get ad-free episodes at 20k.org/plus. If you know what this week's mystery sound is, tell us at mystery.20k.org. Buy the biography John Williams: A Composer’s Life wherever you get your books. Subscribe to Tim’s Substack Behind the Moon, an exclusive dive behind the scenes of the book. Find out how you can get the iPhone 17 Pro at no cost with an eligible trade in at att.com/iphone, or by visiting an AT&T store. Learn more about your ad choices. Visit megaphone.fm/adchoices
Age of Audio: The Future of Podcasting (and 20K)After making Age of Audio, a feature documentary about the history of podcasting, filmmaker Shaun Michael Colón sat down with Dallas for a revealing conversation about the state and future of this industry. Together, Dallas & Shaun unpack the shift toward celebrity chit chat shows, what gets lost in video, the real economics of making Twenty Thousand Hertz, and why highly crafted audio storytelling still matters. Learn about this year’s Listener Stories competition and submit your story at 20k.org/2026. For updates on Age of Audio, visit the official website, or follow the film on Instagram and Tiktok. Twenty Thousand Hertz is produced by Defacto Sound. Support the show and get ad-free episodes at 20k.org/plus. Subscribe on YouTube to see our video series. If you know what this week's mystery sound is, tell us at mystery.20k.org. Follow Dallas on Instagram, TikTok, Facebook, and LinkedIn. Find out how you can get the iPhone 17 Pro at no cost with an eligible iPhone trade in at att.com/iphone, or by visiting an AT&T store. Learn more about your ad choices. Visit megaphone.fm/adchoices
Age of Audio: The Inside Story of PodcastingThe history of podcasting has rarely been told. But in this episode, the brightest minds in podcasting reveal the inside story of this medium: from the invention of RSS feeds, through the Gold Rush era of corporate investments, to the bubble bursting, and the rise of celebrity podcasts. Along the way, Ira Glass explains the origins of This American Life and Serial, Marc Maron recounts Obama visiting his garage, Roman Mars lays out his vision for indie podcasts, and so much more. This story was adapted from the feature documentary Age of Audio. Learn about this year’s Listener Stories competition and submit your story at 20k.org/2026. For updates on Age of Audio, visit the official website, or follow the film on Instagram and Tiktok. Twenty Thousand Hertz is produced by Defacto Sound. Support the show and get ad-free episodes at 20k.org/plus. Subscribe on YouTube to see our video series. If you know what this week's mystery sound is, tell us at mystery.20k.org. Follow Dallas on Instagram, TikTok, Facebook, and LinkedIn. Find out how you can get the iPhone 17 Pro at no cost with an eligible iPhone trade in at att.com/iphone, or by visiting an AT&T store. Sign up for a one-dollar-per-month Shopify trial at shopify.com/20k. Visit quo.com/20k for 20% of your first 6 months of business phone software. Learn more about your ad choices. Visit megaphone.fm/adchoices
The Poop Song ConspiracyOne day, Ethan had an unfortunate bathroom incident. Then, he found an entire collection of songs online with his name in the title… and they all seemed to be about that embarrassing moment. That experience sent Ethan and his sister down a bizarre rabbit hole involving AI music, lots of poop jokes, and possibly the world’s most prolific songwriter. This story comes from the Hyperfixed podcast. Learn about this year’s Listener Stories competition and submit your story at 20k.org/2026. Twenty Thousand Hertz is produced by Defacto Sound. Support the show and get ad-free episodes at 20k.org/plus. Subscribe on YouTube to see our video series. If you know what this week's mystery sound is, tell us at mystery.20k.org. Follow Dallas on Instagram, TikTok, Facebook, and LinkedIn. Follow Hyperfixed wherever you get your podcasts. Hear A Song About Ethan by Matt Farley, or request a custom song by him. Find out how you can get the iPhone 17 Pro at no cost with an eligible iPhone trade in at att.com/iphone, or by visiting an AT&T store. Learn more about your ad choices. Visit megaphone.fm/adchoices