media player issues

i have a website that plays music on media player.
mac systems can not play it for some reason.
any help is appriciated

here is the error
"Can't open file. Please verify the path and file name are correct"

here is the code on the site
<object id="MediaPlayer" width=320 height=286 classid="CLSID:22D6f312-B0F6-11D0-94AB-0080C74C7E95" standby="Loading Windows Media Player components..." type="application/x-oleobject" codebase="http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=6,4,7,1112">