It isn't official holiday season until the Tree Lighting Ceremony happens in Boston. That's right folks!! Tonight at 6pm head to Tremont and Park Street for the official lighting!! Thousands of people of all ages enjoy Boston's holiday stage show, which includes entertainment such as national and local performers, carolers, Santa, and more.It isn't official holiday season until the Tree Lighting Ceremony happens in Boston. That's right folks!! Tonight at 6pm head to Tremont and Park Street for the official lighting!! Thousands of people of all ages enjoy Boston's holiday stage show, which includes entertainment such as national and local performers, carolers, Santa, and more.