Works in Brackets , but not online or phaser.io/sandbox/

Hello & Thanks ,

Code below runs great in Brackets but 

not online : http://liesandcowpies.com/testMe/vm-phaser/vm-play-music-WEB.html  no errors in Chrome .

& not on : http://phaser.io/sandbox/obNsxTrv  or  http://phaser.io/sandbox/obNsxTrv/play 

Anyone know why ?  Thanks .

var game = new Phaser.Game(800, 600, Phaser.CANVAS, 'vm-play-music', { preload: preload, create: create, update: update});
// http://liesandcowpies.com/testMe/vm-phaser/vm-play-cowMoo-WEB.html
var s;
var cowMoo;
var onceThru =1;
function preload() {
//   game.load.baseURL = 'http://liesandcowpies.com/testMe/vm-phaser/';
//    game.load.crossOrigin = 'anonymous';
    game.load.audio('cowmoo', 'CowMoo.mp3');
}
function create() {
    cowMoo = game.sound.add('cowmoo', .5,'false');
    cowMoo.play();
}
function update() {

    if (onceThru == 1)
    {
        alert('function update()   ' + onceThru);
        collisionLies02(); 
        onceThru = onceThru + 1 ;
    }
}

function collisionLies02() {
    onceThru = onceThru + 1;        
    alert('function collisionLies02() , onceThru =   ' + onceThru);
//    cowMoo = game.sound.add('cowmoo', .5,'false');
    cowMoo.play();
} 
 

var game = new Phaser.Game(800, 600, Phaser.CANVAS, 'vm-play-music', { preload: preload, create: create, update: update});
// http://liesandcowpies.com/testMe/vm-phaser/vm-play-cowMoo-WEB.html
var s;
var cowMoo;
var onceThru =1;
function preload() {
//   game.load.baseURL = 'http://liesandcowpies.com/testMe/vm-phaser/';
//    game.load.crossOrigin = 'anonymous';
    game.load.audio('cowmoo', 'CowMoo.mp3');
}
function create() {
    cowMoo = game.sound.add('cowmoo', .5,'false');
    cowMoo.play();
}
function update() {

    if (onceThru == 1)
    {
	    alert('function update()   ' + onceThru);
        collisionLies02(); 
        onceThru = onceThru + 1 ;
    }
}

function collisionLies02() {
    onceThru = onceThru + 1;        
	alert('function collisionLies02() , onceThru =   ' + onceThru);
//    cowMoo = game.sound.add('cowmoo', .5,'false');
    cowMoo.play();
}