After selling close to nine million units since its November release, Adele is finally putting her "25" album on streaming sites such as Spotify, Apple Music and Tidal.
The following list represents the most viral tracks on iTunes and Spotify. The Spotify list is based on the number of people who shared it divided by the number who listened to it, from Monday May 11, to Sunday, May 17, via Facebook, Tumblr, Twitter and Spotify.