Someone

function soundladen(nummer) {
	this.createEmptyMovieClip("sound_mc", 1);
	this.sound_mc.songTrack = new Sound();
	function checkProgress(soundObj) {
		var numBytesLoaded = soundObj.getBytesLoaded();
		var numBytesTotal = soundObj.getBytesTotal();
		var numPercentLoaded = Math.floor(numBytesLoaded/numBytesTotal*100);
		if (!isNaN(numPercentLoaded)) {
			trace(numPercentLoaded+"% loaded.");
		}
		var soundLaenge = 6.15;
		var pos = Math.floor(soundObj.position);
		var min = Math.floor(((soundLaenge*60-pos/1000))/60);
		var sec = Math.ceil(((soundLaenge*60-pos/1000))%60);
		if (sec<10) {
			sec = "0"+sec;
		}
		//            
		trace("laenge:"+soundLaenge);
		trace("noch:"+min+":"+sec);
		trace("_root.pos >>> "+pos);
	}
	this.sound_mc.songTrack.onLoad = function() {
		trace("load complete");
		clearInterval(poll);
	};
	this.sound_mc.songTrack.loadSound("music/track"+nummer+".mp3", true);
	_root.poll = setInterval(checkProgress, 100, this.sound_mc.songTrack);
}
soundladen(2);