anchor.diff:        dataList.style.display = "block";
         songsTable.style.display = "none";
         
  -      LIElement allSongsElement = new LIElement()
  -        ..text = "All Songs";
  -      dataList.children.add(allSongsElement);
  +      if(artist != null) {
  +        LIElement allSongsElement = new LIElement()
  +          ..text = "All Songs";
  +        dataList.children.add(allSongsElement);
  +      }
  +      
         List<String> albums = JSON.decode(request.responseText);
         albums.forEach((String album) {
           LIElement albumElement = new LIElement()
  
positive.code:   
    void getAllAlbums([String artist]) {
      String requestStr;
      if(artist.isEmpty || artist == null) {
        requestStr = "/albums";
      }
      else
  
negative.code:       titleDiv.style.display = "none";
  
        clearAllData();
        getAllAlbums();
        
        albumsButton.classes.add("active");
        artistsButton.classes.remove("active");
  