On TikTok, Pop Music Speeds Up

A 12-year-old Miguel song has re-entered the Billboard charts, demonstrating how the app reshapes listening habits. Guest: Billboard's Elias Leight. Subscribe today at nytimes.com/podcasts or on Apple Podcasts and Spotify. You can also subscribe via your favorite podcast app here https://www.nytimes.com/activate-access/audio?source=podcatcher. For more podcasts and narrated articles, download The New York Times app at nytimes.com/app.