Article Photos: Spotify's Top 10 most viral tracks



  FILE - This Feb. 20, 2013 file photo shows Justin Timberlake during the BRIT Awards 2013 in London. Timberlake's "Mirrors," was the most viral track on Spotify, based on the number of people who shared it divided by the number who listened to it, from Monday, Feb. 18, to Sunday, Feb. 24. (Photo by Joel Ryan/Invision/AP, file)

FILE - This Feb. 20, 2013 file photo shows Justin Timberlake during the BRIT Awards 2013 in London. Timberlake's "Mirrors," was the most viral track on Spotify, based on the number of people who shared it divided by the number who listened to it, from Monday, Feb. 18, to Sunday, Feb. 24. (Photo by Joel Ryan/Invision/AP, file)