A 4-Track Mind
Oct 2, 2026 · 21m
Summary
This Radiolab episode features a promotional segment for a new fanny pack designed by assistant producer Anissa Vitsa, followed by a classic archive story about Bob Milne, a ragtime pianist with a "four-track mind." Neurologist Kirsten Bertram tests Bob's ability to mentally play four symphonies simultaneously, revealing he visualizes distinct orchestras in 3D space. The story explores how his unique emotional and spatial relationship with music allows him to process complex auditory information without interference, stretching our conception of human cognitive capabilities.
Topics discussed
Sponsorships: AT&T and WISE
Promoting the Radiolab Fanny Pack and The Lab Membership
Introduction to the archive episode 'A Four-Track Mind'
Meeting Bob Milne: A piano player and national treasure
Bob's background and his ability to play multiple rhythms
The claim: Hearing four symphonies simultaneously
Designing the experiment to test Bob's musical memory
Test results: The conductor fails the multi-song task
Bob successfully tracks four symphonies in the MRI
Explaining the ability: Emotional connection to music keys
Sponsorships: Capital One, WISE, and Smalls
Ira Glass promotes This American Life
Bob's 3D visualization of orchestras in his mind
Bob's life: Traveling, writing an opera, and performing
Outro credits and acknowledgments
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