public MP3Container getClone() {
		Vector<MP3> temp1 = new Vector<MP3>();
		for (int i = 0; i < size();i++) { 
			  temp1.add(list.get(i));
	    }
		Vector<Integer> temp2 = new Vector<Integer>();
		for (int i = 0; i < size();i++) { 
			  temp2.add(i);
	    }
		return new MP3Container(temp1,temp2);
	}