The Weekend: 6.17-6.19

Friday, June 17

"BoCoCa": The BoCoca Arts Festival kicks off tonight, for a week of music and art in the Boreum Hill-Cobble Hill-Carroll Gardens area. Looking ahead, don't miss Andrew Mancilla on June 21 at Linger Cafe.

Williamsburg: After kicking off last night, the Northside Festival continues, with Beirut headlining at the McCarren Park stage. Don't miss opener Sharon Van Etten.

Saturday, June 18

Borough-wide: Grab a seat at more than 20 pianos scattered throughout the borough, thanks to the organization, Sing for Hope.

Coney Island: Surf Avenue will be taken over with half-naked ladies once again, as the Mermaid Parade returns.

DUMBO: Head to an "epic" stoop sale under the Manhattan Bridge during the day, and, come back for Floating Kabarette at Galapagos Art Space at night.

Sunday, June 19

Borough-wide: It's Father's Day, so express your Y chromosome with the help of our testosterone-fueled guide.

Gowanus: Revisit your childhood and sing along to "The Lion King" during a screening at the Bell House.