Celebrate good times. Come on.

HEAR
Rosslyn Jazz Festival
What: Free outdoor concerts featuring Hiromi, Vanessa Rubin, Nicholas Payton, and other hep cats.
Why: It might not be Montreal, but it’s ours.
When: Sat., 1-7 p.m.
Where: Gateway Park, at N. Lynn St. & Lee Hwy., Arlington (703-228-1850).

DO
Adams Morgan Day Festival
What: Street fair with music, eats, drag show, and a performance by Broccoli the Clown.
Why: It’s even fun in the daytime around here.
When: Sun., noon-7 p.m.
Where: 18th St. NW, b/t Florida Ave. & Columbia Rd. (202-232-1960).

DRINK
Sake Thursdays
What: Happy hour tastings start at $3.
Why: Sake to me.
When: Thurs., 6-9 p.m.
Where: Wasabi, 908 17th St. NW, b/t I & K Sts. (202-822-2005).

DO
Paddling on the Potomac
What: Canoe and kayak rentals for just $15 an hour or $35 a day.
Why: Time to sink or swim.
When: Mon.-Fri., 10 a.m.-7:30 p.m.; Sat. & Sun., 8 a.m.-7:30 p.m.
Where: Jack’s Boathouse, 3500 K St. NW, at 35th St. NW (202-337-9642).

BUY
Unsung Designers Anniversary Party
What: Indie showroom turns 1 year old with celebratory drinks and discounts on Gina Michele, Cinderloop, Angela Johnson, and more.
Why: They say it’s their birthday.
When: Sun., noon till whenever.
Where: 2412 18th Street NW, rear door a, in the alley (202-234-1788).