Music Popcast

The 17-year-old musician has been revising the rules of young stardom. But she may be more of a classicist than her aesthetic would suggest. Guests: The New York Times's Joe Coscarelli; Meaghan Garvey Unlock full access to New York Times podcasts and explore everything from politics to pop culture. Subscribe today at nytimes.com/podcasts or on Apple Podcasts and Spotify.