function initializeFirstSongInPlaylistMetaData() {
    /*
    Iterates over all of the playlists setting the meta data for the
    first song.
    */
    for (var key in _config2.default.playlists) {
      _metaDataElements2.default.setFirstSongInPlaylist(_config2.default.playlists[key].songs[0], key);
    }
  }
Intializes the display for the first song in the playlist meta data.

@access private