You are not their supervisor. Maybe home their phrase is actually rules, not here. The viewpoint has to be perfectly balanced. She will probably ask you to answer everything you considered the set or latest tune or record. Recall, you happen to be around to aid, and that means you thought it may sound good. But that does not mean you cannot tell the woman whenever it drawn. Tact will come in useful. If you find yourself attending shows a lot, remember that not every person there has seen the results over and over repeatedly and so probably didn't spot the small error.