« Data from Kobalt Music Publishing, which represents 6,000 songwriters — including Paul McCartney, Lenny Kravitz and Swift collaborator Max Martin — reveals that the artists made 13% more from Spotify in the first quarter of 2013 than they did from iTunes; at least, that was the case in Europe. By comparison, iTunes in Europe provided 32% higher income than Spotify in the third quarter of 2013. In the fourth quarter of 2013, iTunes’ income was 8% higher ». (via Should other musicians pull a Taylor Swift and flee Spotify? Not so fast)