Podcast:Popcast Published On: Thu Dec 13 2018 Description: The 1975’s millennial anthem, “Shallow” and a lot of Bad Bunny: Why did these tracks define the year in pop? Guests: The New York Times's Jon Pareles, Joe Coscarelli and Caryn Ganz 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.