Members of the Motet Singers, of Lawrence, perform in Washington National Cathedral's crypt chapel of St. Joseph of Arimathea. From left are Su Johnson, Ken Blair, Polly Miranda, Mary Glasnapp, Dee Blaser, Pat Blair and Becky Lord. They performed before a Kansas State Day service Aug. 21 at the cathedral. The Motet Singers, a 16-member ensemble, is directed by Dave Grisafe. The group is celebrating its 30th anniversary.