This episode of Dashboard Chalkboard explores how music’s “geography” evolved from fixed, place-based traditions into a dynamic, global system shaped by movement—first through the rise of the U.S. interstate highway system, which trained listeners to experience music as continuous flow across regions, and later through digital networks that expanded that flow worldwide. It traces how mobility blended genres, fostered shared rhythmic literacy, and enabled the African diaspora’s core musical principles—polyrhythm, syncopation, and call-and-response—to circulate, transform, and return across continents in forms like reggae, house, techno, Afrobeats, and K-pop. Ultimately, the episode argues that today’s algorithm-driven “digital geography” is an extension of patterns first learned on the road: listening follows motion, and music is no longer organized by place but by groove, energy, and connection—revealing a planetary loop where rhythm continually travels, evolves, and comes home again.

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