text: var Sound = Backbone.View.extend({
   
      //tagName:  "li 10mb 25mn 100mb 1GB",
   
      events: {
        "click .play"   : "doPlay",
      },
   
      initialize: function(dom) {
        this.tagName =  dom;
        this.listenTo(this.model, 'change', this.render);
        this.listenTo(this.model, 'destroy', this.remove);
      },
   
      render: function() {
        this.$el.html(this.template(this.model.toJSON()));
        return this;
      },
  
      doPlay: function() {
        this.model.set('isPlaying', true);
      }
  });