anchor.diff:        });
     }
     
  +  /**
  +   * Fill the song table with the passed in songs.
  +   */
     void createSongTable(List songsList) {
       // The songs come in a list of json data.
       // For every song:
  
positive.code:     songsTable = $["songs"];
      tableBody = songsTable.tBodies[0];
      
      titleDiv = $["title"];
      
      UListElement viewsList = $["viewsList"];
      artistsButton = viewsList.children[0];
      albumsButton = viewsList.children[1];
      songsButton = viewsList.children[2];
  
      dataList = $["data"];
  
      songsTable.style.display = "none";
      titleDiv.style.display = "none";
      
      getAllArtists();
      setupEvents();
    }
  
negative.code: library LibraryList;
  import "dart:async";
  import "dart:convert";
  import "dart:html";
  import "package:polymer/polymer.dart";
  