Weekend Picks: Bruce Springsteen, Dekalb Market and more

The Boss himself, Bruce Springsteen, takes over MSG with his Wrecking Ball Tour. (Fri., 7:30 p.m., $73-$103, Madison Square Garden, 4 Penn Plz.; also April 9)

The Brooklyn Flea opens for the season, with a plethora of vendors selling antiques, vintage clothing, locally-made crafts and tasty treats.(Saturdays: 10 a.m.-5 p.m. 176 Lafayette Ave., Fort Greene; Sundays, 10 a.m.-5 p.m., East River Waterfront, btwn N. Sixth and N. Seventh sts., Williamsburg, brooklynflea.com)

More than 50 Williamsburg stores, bars, restos and galleries - from fashion fave Bird to sweets spot Momofuku Milk Bar - are offering freebies, sales and special events during Shop, Drop & Drink.(Sat., all day, dominobrooklyn.com for a map)

Another awesome Brooklyn market - Dekalb Market - also opens up this weekend. In addition to more than 60 local vendors selling their wares, the market features a community-live event and performance space. (Open daily with special opening-weekend festivities, hours vary,138 Willoughby St., Downtown Brooklyn, dekalbmarket.com)

Alterna-group Nada Surf offers a faster, more energetic sound on its latest record, "The Stars Are Indifferent to Astronomy." (Sun., 9 p.m., $25, Music Hall of Williamsburg, 6 N. Sixth St., Williamsburg, 718-486-5400)

Yum! Ten of the city's best meatballs are being paired with craft beers at the Beer 'n' Balls Festival.(Sat., 1 and 7 p.m., $55-$75, 404NYC, 404 Tenth Ave., getrealny.com)