TO GO WITH AFP STORY BY SOREN BILLING:
This photo illustration shows a woman as she uses the iPhone application of Swedish music streaming service Spotify on March 7, 2013 in Stockholm, Sweden. Sweden is at the forefront of a global recovery in music sales driven by streaming music services such as Spotify. AFP PHOTO/JONATHAN NACKSTRAND        (Photo credit should read JONATHAN NACKSTRAND/AFP/Getty Images)