The folks at South By Southwest have posted a massive BitTorrent featuring 739 MP3s from 739 artists. The total package weighs in at an impressive 3.1GB.
The torrent is only the first is a series of planned downloads, with a forthcoming edition to feature film trailers and other content.
You can download the whole thing right here.
For those unfamiliar with BitTorrent, uTorrent is a popular option, and will allow you to select which of the 739 songs to download.