Distorted MP3's??!??!!

[qtcresca]

Lately some newer songs I have downloaded from Kazaa play for about 20 secs and than erupt into a digital explosion for a few secs. than quit playing. Is this some kind of copy protection?
I have only had this problem with newer songs. The funny thing is that there are like 50 plus users with this file and I find it hard to believe they are all record company pukes. I have tried MM jukebox, Win media player, & winamp and they all do the same thing. Anyone else having this problem?