Tyson Danner, Allyson Peniston, and Angela Cavallo More often than not, our area's musicals are graced by terrific voices. But every once in a while, a performer will come along whose vocal gifts and interpretive skills positively knock you out, causing you to silently mouth one word at your theatergoing companion: "Damn." The Quad City Music Guild's current production of the Disney musical Aida, directed by Bill Marsoun, doesn't have one of those performers. It has two.