Use the code below and it should work fine for you.
Remember to link the src="" to the sound file you want to play.
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Untitled</title>
<head>
<SCRIPT LANGUAGE=JavaScript>
function playSound(){
document.music.play();
}
</SCRIPT>
</head>
<body>
<EMBED SRC="sound file" autostart=false HIDDEN=TRUE NAME="music" MASTERSOUND>
<a href="#null" onclick="playSound();return false">PUT YOUR LINK HERE TO PLAY SOUND</a>
<input type="button" value="Stop music" onclick="music.stop()">
</body>
</html>
ADDED STOP BUTTON TO CODE