I was thinking more of a rough edge to her voice. Then again, I like that sort of thing. I have a pretty rough edge to mine, as well. Think Joe Cocker, Eddie Money, Bob Seeger.... It's a bit different, you see, than hitting kitchen untensils, isn't it?
If your nephew can put forth a believeable performance of such a well written song as "Come To My Window" -which relies heavily on it's brilliant lyrics to convey it's message- with pots and pans in a fast food restaurant, get the boy an agent. You're salad days are over, mate.
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I wanted my half in the middle and I wound up on the edge.