anchor.diff:  
     StageXL.Sound _sound;
   
  -  StageXL.SoundChannel _soundchannel;
  +  StageXL.SoundChannel _soundChannel;
  +
  +//=============================================================================
   
     /**
      * Setting for Sound(volume, pan).
  
positive.code:    * Play the sound.
     */
    void play(){
      _soundchannel = _sound.play(false, settings);
    }
  
    void stop() {
      _soundchannel.stop();
    }
  
  }
negative.code: 
  //=============================================================================
  
    static const num DEFAULT_VOLUME = 1;
    static const num DEFAULT_PAN = 0;
  
  //=============================================================================
  
    /**
     * Makes a Sound object.
     */
    Sound(State context, String soundName,{num volume:DEFAULT_VOLUME,num pan:DEFAULT_PAN}){
      _sound = context.game.resourceManager.getSound(soundName);
      settings = new StageXL.SoundTransform(volume,pan);
    }
  