http://2010.sxsw.com/ has published thousands of free music tracks. Each year someone compiles these songs into a torrent.

Part 1 of the 2010 edition contains 646 songs for a total of 3.35 gigs of free music from various indie artists who participated in the SXSW music festival.

read more about it:

http://torrentfreak.com/sxsw-2010-on-bi ... ic-100306/

Download the torrent:
http://sites.google.com/site/sxswtorrent/2010
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Part 1 646 files 3.35 GB .torrent
Part 2 392 files 2.08 GB .torrent

If you need a torrent client I suggest :
utorrent or Vuze