Explore new arias this weekend.

WATCH
Free Opera in the Outfield
What: Washington National Opera simulcasts The Barber of Seville.
Why: Cover your bases with a blanket.
When: Sat., 7 p.m. Gates open at 5:30 p.m.
Where: Nationals Park, 1500 Capitol St. SE, b/t N St. & Potomac Ave. Info at 202-572-3057.

STRETCH
SomaFit Fall Open House
What: The swanky gym and spa offers gratis group exercise classes, skin care and massage demos, food, and gift bags.
Why: It’s a free for fall.
When: Sat., 9 a.m.-6 p.m.
Where: 2121 Wisconsin Ave. NW, b/t Hall Pl. & 35th St. (202-965-2121).

SCREEN
DC Shorts Film Festival
What: A week-long parade of domestic and international flicks for those with reel attention span issues.
Why: Entertainment in short spurts.
When: Thru Sept. 17.
Where: Landmark’s E Street Cinema, 555 11th St. NW, entrance on E St. (202-452-7672); Burke Theater in the U.S. Navy Memorial, 701 Pennsylvania Ave. NW, b/t 7th & 8th Sts.

SPEND
D.C. Supports Fashion’s Night Out
What: Boutiques extend their hours to celebrate with refreshments, music, and special guests.
Why: You’ll be fashionably late.
When: Today, ’til 11 p.m.
Where: Find participating shops online at midcitylife.com.

LISTEN
Rosslyn Jazz Festival
What: Make jazz hands for free outdoor performances including the Spanish Harlem Orchestra.
Why: Let the scat out of the bag.
When: Sat., 12:30-7 p.m.
Where: Gateway Park, 1300 Lee Hwy., Arlington (703-228-1850).

GO
DailyCandy Dossier
What: All day, every day, we’ll be bringing you the latest and greatest from NY Fashion Week. Check back often for designer interviews, trend predictions, and front-row observances.
Why: Giveaways galore.
When: Thru Sept. 17.
Where: Online at dailycandy.com/dossier.