Twenty Thousand Hertz

Mixing 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.
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Twenty 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.
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Listener Links:

Hear Maria Ordovas Montanez's work on the Out There podcast.

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For 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.

In 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.

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John 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.

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