Given a sentence as a string, fade in each word and play a sound when the word has been faded in. Titanium Appcelerator.

index.js

//import builtin alloy animations
var animation = require('alloy/animation');

var wordString = "Most good programmers do programming not because they expect to get paid or get adulation by the public, but because it is fun to program";
var wordArray = wordString.split(" ");

var lblArray = [];
var lbl = null;

//Generate Label element for each word
for (var i in wordArray)
{	
	//create label, set text and hide label
	lbl = Ti.UI.createLabel({
		text: " "+wordArray[i],
		opacity: 0
	});
	
	//store in label array which we'll use later for the fadeIn affect
	lblArray.push(lbl);
	
	//add label to view
	$.paragraph.add(lbl);
}

//Play sound, called when fade in on label has finished
function playSound(){
	sound = Titanium.Media.createSound({url:"/bell-ring-01.mp3"});
	sound.play();	
}

//counter used for tracking which label we're fading in
var x = 0;
animation.fadeIn(lblArray[0], 300, fadeInNext);

function fadeInNext(){
	//increment current label counter
	x = x+1;

	//Make sure we don't try to add more labels than there are
	if(x < lblArray.length){
		//playSound(); //commented this out, it's kind of annoying
		animation.fadeIn(lblArray[x], 500, 
			fadeInNext
		);
	}
}	
	
$.container.open();

index.xml

<Alloy>
	<Window class="container" id="container">
		<View id="paragraph">
			
		</View>
	</Window>
</Alloy>