text: var s = soundsList = [
  	'none',
  	'do',
  	're',
  	'mi',
  	'fa',
  	'so',
  	'la',
  	'si',
  	'da'
  ];
  
  var playList = [
  	1,1,5,5,6,6,5,4,4,3,3,2,2,1,
  	5,5,4,4,3,3,2,5,5,4,4,3,3,2,
  	1,1,5,5,6,6,5,4,4,3,3,2,2,1
  ];
  
  var musicPlay = function(id){
  	var audio = soundsList[playList[0]];
  	playList.shift();
  	sound.play(audio);
  };
  var sound = new Howl({
  	urls: ['./assets/audio/test.mp3'],
  	sprite: {
  		none: [0,0],
  		do: [2500, 600],
  		re: [3120, 600],
  		mi: [3720, 500],
  		fa: [4220, 600],
  		so: [4820, 500],
  		la: [5320, 600],
  		si: [5920, 500],
  		da: [6420, 500]
  	},
  	onload: function(){
  		sound.on('end', musicPlay);
  		sound.play('none');
  	}
  });