Hi,
If you're using the LW player, try disabling it (tools > options > player. Untick use LW player & apply). Do as moe2006 suggests & make something else your default player.
If the songs still sound like chipmunks
(sorry, I'm sure it's not funny to you) then this thread might have a solution for you
http://www.gnutellaforums.com/showth...353#post166353