Steven Lorenz directs various PHS student choirs in works by Hildegard of Bingen, Saunder Choi, René Clausen, William Dawson, Offenbach, Purcell, Sarah Quartel, and Arthur Sullivan. 7:30 p.m., PHS Schreiber Auditorium, 601 W. Stadium. Free. (734) 994–2189, ext. 2.