code: def send_audio(self, chat_id, audio, caption=None, duration=None, performer=None, title=None,
                     reply_to_message_id=None, reply_markup=None, parse_mode=None, disable_notification=None,
                     timeout=None):
          
          return types.Message.de_json(
              apihelper.send_audio(self.token, chat_id, audio, caption, duration, performer, title, reply_to_message_id,
                                   reply_markup, parse_mode, disable_notification, timeout))
docs: Use this method to send audio files, if you want Telegram clients to display them in the music player. Your audio must be in the .mp3 format.
          :param chat_id:Unique identifier for the message recipient
          :param audio:Audio file to send.
          :param duration:Duration of the audio in seconds
          :param performer:Performer
          :param title:Track name
          :param parse_mode
          :param reply_to_message_id:If the message is a reply, ID of the original message
          :param reply_markup:
          :return: Message