The original torrent contained two .zip files, which in turn contained the mp3s. This version was rebuilt to just contain those mp3s and updated February 2011 with new tracker information to help keep it alive. If you've downloaded it in the past, please consider re-seeding with the updated torrent file below.
If you need a good BitTorrent client, I suggest:Feedback
Disclaimer: This site is in no way affiliated with SXSW or any SXSW artists. These torrents are provided as an alternate means to sample the songs available on the official SXSW site.