Article Photos: Spotify's Top 10 most viral tracks



FILE - This undated photo provided by Thirty Tigers shows Hassidic Jewish musician Matisyahu. The raggae singer's "Happy Hanukkah" was the most viral track on Spotify for the week of Dec. 10, 2012. (AP Photo/Thirty Tigers, Mark Squires, File)

FILE - This undated photo provided by Thirty Tigers shows Hassidic Jewish musician Matisyahu. The raggae singer's "Happy Hanukkah" was the most viral track on Spotify for the week of Dec. 10, 2012. (AP Photo/Thirty Tigers, Mark Squires, File)