Daniel Ek, a 23-year-old Swede who grew up on pirated music, made the record labels an offer they couldn’t refuse: a legal platform to stream all the world’s music. Spotify reversed the labels’ fortunes, made Ek rich, and thrilled millions of music fans. But what has it done for all those musicians stuck in the long tail?

What your disgust level says about your politics, how Napoleon influenced opera, why New York City’s subways may finally run on time, and more. Five compelling guests tell Stephen Dubner, co-host Angela Duckworth, and fact-checker Jody Avirgan lots of things they didn’t know.