Richard Webster will retire September 1 as director of music and organist at Trinity Church, Copley Square, Boston, Massachusetts. He came to Trinity in 2005 as Michael Kleinschmidt’s associate, with the charge to found a serious choir program for children. The Trinity Choristers now numbers 30 boys, girls, and teens. In August the Trinity choirs complete their fifth tour to England under his leadership, with residencies at York Minster and Durham Cathedral.