code: function getNormalizedSoundcloudUrl(soundcloudUrl) {
          var parsedUrl = url.parse(soundcloudUrl);
          var protocol = parsedUrl.protocol;
          var host = parsedUrl.host;
          var pathname = parsedUrl.pathname;
          var splitHostname = pathname.split('/');
          var normalizedUrl = protocol + "//" + host + "/" + splitHostname[1] + "/" + splitHostname[2];
          return normalizedUrl;
      }
docs: Get the normalized soundcloud url. This means that every
  parameter or path which is not necessary gets removed.
  
  @private
  @param {string} soundcloudUrl the url to normalize
  @returns {string} the normalized soundcloud url