Times vary, $79.99+, Randall’s Island Park, electriczoofestival.com. Look out New York City dance clubs: Electric Zoo 2017 Festival is poised to take over Labor Day weekend, bringing hoards of EDM fans to Randall’s Island for the event’s ninth summer. The festival has become an un-missable attraction on the electronic dance music circuit, featuring a wide range of artists, both top name and underground. Thru Sep 3.