You can hide the tag using CSS and instead create an HTML element that fires QuickTime using the onclick JavaScript event.
Sort of:
<audio src="track.mp3" controls></audio>
<div id="play-button">Play</div>
<script>
function playAudio() {
var audioPlayer = document.getElementsByTagName("audio")[0];
audioPlayer.play();
}
var playButton = document.getElementById("play-button");
button.addEventListener("click",playAudio,false);
</script>
/ Quicktime, .