change ringing

For Sinclair, like many of her fellow ringers, change-ringing is a mental challenge, like solving a puzzle.

Eight teams from across the country took turns performing the centuries-old tradition of change-ringing, an art that requires a band of ringers to rhythmically control a set of tuned bells, playing patterns of notes called “methods.”

Washington National Cathedral is one of about 50 change-ringing bell towers in North America, which also include the Old Post Office Tower — now incorporated into the Trump International Hotel — in downtown Washington.

Change-ringing, which originated in the 17th century in England, is at once musical, mathematical and physical.

That is known as change-ringing: Paul Revere was a change-ringer at Old North Church in Boston.