“Right now The Pirate Bay gets as much traffic as MTV.com. Based on its current trajectory Pandora will soon surpass The New York Times. The most popular music magazine online is Rolling Stone—2.2M visits in December 2010. The most popular music blog is Pitchfork—1.4M visits in December 2010—like two Hype Machines. NPR is in the same ballpark as Last.fm.”
http://virtualmusic.tv/2011/02/2010-music-website-heat-map/#heat-map