         value: 60
        },
        error: {
          type: Boolean
        },
        timeOffset: {
          type: Number,
          value: 0
        },
        gaId: {
          type: String
        }
      },


      //
      // Register event listeners

      listeners: {
        'audio.loadedmetadata'  : '_onCanPlay',
        'audio.playing'         : '_onPlaying',
        'audio.pause'           : '_onPause',
        'audio.ended'           : '_onEnd',
        'audio.error'           : '_onError'
