The Daily ItemBOSTON – The rich Colonial and maritime history of America’s Revolutionary birthplace will come alive at Boston’s 27th Annual Harborfest, which runs through Sunday.The celebration includes more than 200 events, many of which are free. Scheduled events include historical re-enactments, walking tours, sunset harbor cruises and free concerts on City Hall Plaza.The Fourth of July festivities get under way at the flagpole in City Hall Plaza on Friday for the Flag Raising Ceremony and Parade, which will make its way to the Granary Burial Ground and on to the Old State House.The festivities continue at noon with The Royal Hospital School Band, a group of 60 young English musicians. From 2-7 p.m. the Cape Verdean Independence Celebration will be in full swing at City Hall Plaza with music, dancing and crafts.On Saturday the annual Party on the Plaza will be held at City Hall Plaza from 6-10 p.m., with “Solitary Man: A Tribute to Neil Diamond” featuring Chris Denem as Neil Diamond.Downtown Boston will echo with the stirring sounds of the Middlesex County Volunteer Fifes and Drums on Saturday from 7-8:30 p.m. in the Old City Hall Courtyard.A Boston Harborfest tradition, the Middlesex County Volunteers was founded in 1982 and is internationally recognized as one of North America’s premiere fife and drum corps. Their authentic Colonial period uniforms and music brings Revolutionary Boston to life. The ensemble’s innovative use of contemporary arrangements and expanded instrumentation in the context of historical tradition make them a leader in the evolution of 18th and 19th century military music.On Sunday, from 11 a.m. to 6 p.m. at City Hall Plaza, visitors to the annual Chowderfest will vote for “Boston’s Best Chowder” after sampling traditional New England style clam chowder from top area restaurants. More than 2,000 gallons of New England’s signature dish, clam chowder, will be ladled out to more than 12,000 tasters.A Fourth of July tradition in Boston, this year’s Chowderfest competition will be more heated than ever as New England restaurants vie for the prestigious title of “Boston’s Best Chowder.” Between all-you-can-eat samplings, visitors to the event will enjoy roving musical performances, jugglers, entertainers, and an atmosphere of friendly competition. Tickets for the 27th Annual Chowderfest are $10 for adults and $7 for children under 12. Tickets are available the day of the event in City Hall Plaza.During Boston’s Harborfest celebration, be certain to include a visit to the Paul Revere House from which Revere left on his famous midnight ride, enjoy a concert of 18th-century music and tour the historic neighborhood. In summer, the Revere House is open daily from 9:30 a.m. until 5:15 p.m.. Admission is $3 for adults, $2.50 for seniors and college students, and $1 for children ages 5-17.