so those files aren't accidentally corrupted, but just a means of tracking people or something? at least people aren't dumb enough to keep 'em once they realize they're fucked up.
www.softgap.com has free software called Ares, it's p2p just like KaZaA, except without spyware or any of that crap. seriously, check it out. you can find songs of varying quality: lowest i've seen for mp3's or wma's is 64, up to sometimes 320. i'm using it as i speak to download songs from the Vice City Soundtrack.