Voices dont work but insturments are perfect

[Guest]

When I listen to music on yahoo the voices are distorted... but the
insturments sound perfect. it's not just the video, i've tried different
ones. Does anyone know what's wrong and how to fix it?

 

[Guest]

Did you check the list of system requirements?
Microsoft Windows XP or 2000
(XP required for the To Go feature)
Internet Explorer 6.0+
Windows Media Player 9.0 or higher
Pentium III 300 MHz processor/128MB RAM
Broadband connection for streaming and buying music
Latest Windows Service Packs (SP2)
All the way on the top right, you can click Help.
Yahoo! Music Unlimited

http://music.yahoo.com/unlimited/?ovchn=GGL&ovcpn=YMU&ovcrn=yahoo+music+downloads&ovtac=PPC