As a former Napster user, I switched to AudioGalaxy. At first, you have to get used to it, but after a while you discover advantages over Napster-likes (WinMx or Morpheus).
There is plenty of folk and relatively obscure music on AudioGalaxy. And I like the possibility to schedule songs for downloading that are not online at the moment but are present in the database, which means they ever were on-line.
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