code: def get_metadata(
              self, item='root', index=0, count=100, recursive=False):
          
          if isinstance(item, MusicServiceItem):
              item_id = item.id  # pylint: disable=no-member
          else:
              item_id = item
          response = self.soap_client.call(
              'getMetadata', [
                  ('id', item_id),
                  ('index', index), ('count', count),
                  ('recursive', 1 if recursive else 0)]
          )
          return parse_response(self, response, 'browse')
docs: Get metadata for a container or item.
  
          Args:
              item (str or MusicServiceItem): The container or item to browse
                  given either as a MusicServiceItem instance or as a str.
                  Defaults to the root item.
              index (int): The starting index. Default 0.
              count (int): The maximum number of items to return. Default 100.
              recursive (bool): Whether the browse should recurse into sub-items
                  (Does not always work). Defaults to `False`.
  
          Returns:
              ~collections.OrderedDict: The item or container's metadata,
              or `None`.
  
          See also:
              The Sonos `getMetadata API
              <http://musicpartners.sonos.com/node/83>`_.