docs: def export(self):
          """
          Returns a dictionary with all album information.
          Use the :meth:`from_export` method to recreate the
          :class:`Album` object.
          """
          return {'id' : self.id, 'name' : self.name, 'artist' : self._artist_name, 'artist_id' : self._artist_id, 'cover' : self._cover_url}