anchor.diff:     * Play the sound.
      */
     void play(){
  -    _soundchannel = _sound.play(false, settings);
  +    _soundChannel = _sound.play(false, settings);
     }
   
     void stop() {
  -    _soundchannel.stop();
  +    _soundChannel.stop();
     }
   
   }
positive.code: 
    StageXL.Sound _sound;
  
    StageXL.SoundChannel _soundchannel;
  
    /**
     * Setting for Sound(volume, pan).
  
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);
    }
  