code: def response_music(self, music_url, title=None, description=None, hq_music_url=None, thumb_media_id=None):
          
          self._check_parse()
          music_url = self._transcoding(music_url)
          title = self._transcoding(title)
          description = self._transcoding(description)
          hq_music_url = self._transcoding(hq_music_url)
  
          response = MusicReply(message=self.__message, title=title, description=description, music_url=music_url,
                                hq_music_url=hq_music_url, thumb_media_id=thumb_media_id).render()
          return self._encrypt_response(response)
docs: 将音乐信息组装为符合微信服务器要求的响应数据
          :param music_url: 音乐链接
          :param title: 音乐标题
          :param description: 音乐描述
          :param hq_music_url: 高质量音乐链接, WIFI环境优先使用该链接播放音乐
          :param thumb_media_id: 缩略图的 MediaID
          :return: 符合微信服务器要求的 XML 响应数据