herez the link for smartmedia -http://smartfactory.ca/modules/wfdownloads/singlefile.php?cid=13&lid=33
header("Content-Type: audio/mpeg; name="".basename($filename).""");
header("Content-Length: ".filesize($filename)."n");
header("Content-Disposition: attachment;
filename="".basename($newfilename).""");
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");