Where cassette tapes never died

Cassette tapes could have remained a relic of the 1970s and 80s. But against all odds, they’ve survived the eras of CDs and streaming to win over music lovers of a new generation. That’s in large part thanks to the National Audio Company in Springfield, Missouri, the largest cassette manufacturer in the world. Suzanne Hogan shares the story of how this proudly analog format found a new life.