Help me load mp3 through php

I have this php code to make the browser “save as” my mp3.

$location = $_SERVER['DOCUMENT_ROOT']."/Music_download/banana_phone.mp3";
$basename = basename($location);
header("Content-Type: application/octet-stream");
header("Content-Disposition: attachment; filename=$basename");

…but I donno how to use this code inside flash…
on (release) {
//this code just trying to open the file in quicktime player… (it has nothing to do with php code now)

thnx in advance