What to do with summer now that it’s finally here? Pair it up with another new arrival: The DailyCandy weekend guide. Consider it your safeguard against boredom this Fourth — and every weekend from here on in.

EAT
Chowderfest
What: Restaurants duke it out for the grand title: Boston’s Best Clam Chowder.
Why: Soup’s on.
When: Sun., 11 a.m.-5 p.m.
Where: City Hall Plaza (617-227-1528).

BUY
Jewelry Sale at Matsu
What: Baubles by Me&Ro, Jeanine Payer, and M&J Savitt are 25 percent off.
Why: Blowing cash? Definitely patriotic.
When: Sat., 11 a.m.-6 p.m.; Sun., 1-5 p.m.
Where: 259 Newbury St., b/t Gloucester and Fairfield Sts. (617-266-9707).

SEE
Writer of O
What: Documentary of the life of Dominique Aury, author of Story of O, the classic erotic novel.
Why: Everything sounds sexier in French.
When: Fri. at 8:30 p.m.
Where: Museum of Fine Arts, 465 Huntington Ave., at Museum Rd. (617-369-3306).

HEAR
Nick David and Mr. Nick’s Blues Mafia
What: The band won the 2004 Boston Blues Challenge and was named the 2004 Blues Artist of the Year by Jam magazine.
Why: Harmonicas are cool.
When: Sat. at 9 p.m.
Where: Ryles Jazz Club, 212 Hampshire St., Cambridge (617-876-9330).

DO
USS Constitution Sunset Parade
What: A traditional military procession next to Old Ironsides.
Why: Sunset + Sailors = A very good night.
When: Sat., 7:15-8:30 p.m.
Where: Charlestown Navy Yard, Pier 1, near Constitution Rd., Charlestown (617-242-5671).