Att volume = new Att("volume", "30db");
  ILoAtt volumeCons = new ConsLoAtt(volume, emptyLoAtt);
  Tag yell2 = new Tag("yell", volumeCons);
  Tagged yellGroup2 = new Tagged(yell2, italicCons);
  ILoXMLFrag yellGG2 = new ConsLoXMLFrag(yellGroup2, cons3);
  ILoXMLFrag xml4 = new ConsLoXMLFrag(plaintext1, yellGG2);

  Att duration = new Att("duration", "5sec");
  ILoAtt durationCons = new ConsLoAtt(duration, emptyLoAtt);
  ILoAtt volumeCons2 = new ConsLoAtt(volume, durationCons);
  Tag yell3 = new Tag("yell", volumeCons);
  Tagged yellGroup3 = new Tagged(yell3, italicCons);
  ILoXMLFrag yellGG3 = new ConsLoXMLFrag(yellGroup3, cons3);
  ILoXMLFrag xml5 = new ConsLoXMLFrag(plaintext1, yellGG3);