A set of bells, arranged to swing, and tuned to produce melodies; a set of a large number of bells is known as a carillon. The term is also applied to the melody played, as well as to the small hand bell used liturgically. The chimes of Saint Peter's in Rome, which, like many cathedral bells, are endowed, are rung in accordance with a complicated ceremonial program. The bells of Boston, Bradford, Manchester, Rochdale, Shoreditch, and Worcester are noted in England, and in the United States those of Old Christ Church, Philadelphia; Christ Church, Boston; Trinity Church, New York; Saint Patrick's Cathedral, New York; the West Point chapel chime; and the chimes in the Church of Our Lady of Mercy, New York, which are most beautiful.