docs: def classify_segmented_recording(recording, result_format=None):
      """Use this function if you are sure you have a single symbol.
  
      Parameters
      ----------
      recording : string
          The recording in JSON format
  
      Returns
      -------
      list of dictionaries
          Each dictionary contains the keys 'symbol' and 'probability'. The list
          is sorted descending by probability.
      """
      global single_symbol_classifier
      if single_symbol_classifier is None:
          single_symbol_classifier = SingleClassificer()
      return single_symbol_classifier.predict(recording, result_format)