code: def search_song(self, song_name, quiet=False, limit=9):
          
  
          result = self.search(song_name, search_type=1, limit=limit)
  
          if result['result']['songCount'] <= 0:
              LOG.warning('Song %s not existed!', song_name)
              raise SearchNotFound('Song {} not existed.'.format(song_name))
          else:
              songs = result['result']['songs']
              if quiet:
                  song_id, song_name = songs[0]['id'], songs[0]['name']
                  song = Song(song_id, song_name)
                  return song
              else:
                  return self.display.select_one_song(songs)
docs: Search song by song name.
  
          :params song_name: song name.
          :params quiet: automatically select the best one.
          :params limit: song count returned by weapi.
          :return: a Song object.