code: def artist_commentary_create_update(self, post_id, original_title,
                                          original_description, translated_title,
                                          translated_description):
          
          params = {
              'artist_commentary[post_id]': post_id,
              'artist_commentary[original_title]': original_title,
              'artist_commentary[original_description]': original_description,
              'artist_commentary[translated_title]': translated_title,
              'artist_commentary[translated_description]': translated_description
              }
          return self._get('artist_commentaries/create_or_update.json', params,
                           method='POST', auth=True)
docs: Create or update artist commentary (Requires login) (UNTESTED).
  
          Parameters:
              post_id (int): Post id.
              original_title (str): Original title.
              original_description (str): Original description.
              translated_title (str): Translated title.
              translated_description (str): Translated description.