Spotify-Most Viral Tracks

February 26, 2013 - 2:30 PM
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)