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online music

the easy and unlimited availability of so much music online is making the top-40 a relic…

Because the Internet has changed how people discover and share music, the rules of marketing it and the hierarchy of who determines what’s hot have also changed. As radio-music listenership declines, the industry finds itself spending more time courting a broader field of tastemakers who, through Web sites, are popularizing songs that never get radio play. The primary tool in this transition is the playlist — a sequence of tracks posted on blogs or shared on music purchase sites such as iTunes.

link to washingtonpost article