How to play a MP3 File

Hi,
 I have used the Object Tag to play the MP3 file in C#.NET. Its working right in local, but it doesnt work in Server.
the tag i used is...
 <object data='Songs/" + ds.Tables[0].Rows[0]["File_Nm"].ToString() + "' type='application/x-mplayer2' width='300' height='300'>

'filename' value='Songs/" + ds.Tables[0].Rows[0]["File_Nm"].ToString() + "'> 'rate' value='1'>'balance' value='0'>'currentPosition' value='0'>'defaultFrame' value=&# ...