Two arrays that turn out differently in the browser

songs.js

$(document).ready(function(){
	var sample = [
		{
			title:"Cro Magnon Man",
			mp3:"http://www.jplayer.org/audio/mp3/TSP-01-Cro_magnon_man.mp3",
			oga:"http://www.jplayer.org/audio/ogg/TSP-01-Cro_magnon_man.ogg"
		},
		{
			title:"Your Face",
			mp3:"http://www.jplayer.org/audio/mp3/TSP-05-Your_face.mp3",
			oga:"http://www.jplayer.org/audio/ogg/TSP-05-Your_face.ogg"
		},
		{
			title:"Cyber Sonnet",
			mp3:"http://www.jplayer.org/audio/mp3/TSP-07-Cybersonnet.mp3",
			oga:"http://www.jplayer.org/audio/ogg/TSP-07-Cybersonnet.ogg"
		},
		{
			title:"Tempered Song",
			mp3:"http://www.jplayer.org/audio/mp3/Miaow-01-Tempered-song.mp3",
			oga:"http://www.jplayer.org/audio/ogg/Miaow-01-Tempered-song.ogg"
		},
		{
			title:"Hidden",
			mp3:"http://www.jplayer.org/audio/mp3/Miaow-02-Hidden.mp3",
			oga:"http://www.jplayer.org/audio/ogg/Miaow-02-Hidden.ogg"
		},
		{
			title:"Lentement",
			free:true,
			mp3:"http://www.jplayer.org/audio/mp3/Miaow-03-Lentement.mp3",
			oga:"http://www.jplayer.org/audio/ogg/Miaow-03-Lentement.ogg"
		},
		{
			title:"Lismore",
			mp3:"http://www.jplayer.org/audio/mp3/Miaow-04-Lismore.mp3",
			oga:"http://www.jplayer.org/audio/ogg/Miaow-04-Lismore.ogg"
		},
		{
			title:"The Separation",
			mp3:"http://www.jplayer.org/audio/mp3/Miaow-05-The-separation.mp3",
			oga:"http://www.jplayer.org/audio/ogg/Miaow-05-The-separation.ogg"
		},
		{
			title:"Beside Me",
			mp3:"http://www.jplayer.org/audio/mp3/Miaow-06-Beside-me.mp3",
			oga:"http://www.jplayer.org/audio/ogg/Miaow-06-Beside-me.ogg"
		},
		{
			title:"Bubble",
			free:true,
			mp3:"http://www.jplayer.org/audio/mp3/Miaow-07-Bubble.mp3",
			oga:"http://www.jplayer.org/audio/ogg/Miaow-07-Bubble.ogg"
		},
		{
			title:"Stirring of a Fool",
			mp3:"http://www.jplayer.org/audio/mp3/Miaow-08-Stirring-of-a-fool.mp3",
			oga:"http://www.jplayer.org/audio/ogg/Miaow-08-Stirring-of-a-fool.ogg"
		},
		{
			title:"Partir",
			free: true,
			mp3:"http://www.jplayer.org/audio/mp3/Miaow-09-Partir.mp3",
			oga:"http://www.jplayer.org/audio/ogg/Miaow-09-Partir.ogg"
		},
		{
			title:"Thin Ice",
			mp3:"http://www.jplayer.org/audio/mp3/Miaow-10-Thin-ice.mp3",
			oga:"http://www.jplayer.org/audio/ogg/Miaow-10-Thin-ice.ogg"
		}
	];

    var url = $('#songs').data('url') + '.json';
    var song_list = new Array();

    function createPlayer(){
        new jPlayerPlaylist({
            jPlayer: "#jquery_jplayer_1",
            cssSelectorAncestor: "#jp_container_1"
            }, sample , {
            swfPath: "../js",
            supplied: "oga, mp3",
            wmode: "window"
        });
    }

	$.getJSON(url, function(songs) {
	  _.each(songs, function(num) {
	    return song_list.push({
	      title: num.song.name,
	      mp3: num.song.mp3.url,
	      oga: num.song.ogg.url,
	      id: num.song.id
	    });
	  });
        _.each(song_list, function(song){
           console.log('mapped_title: ' + song.title);
        });
        _.each(sample, function(song){
            console.log('sample_title: ' + sample.title);
        });
        createPlayer();
	});


});

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