If you aren't utterly exhausted after the Electric Zoo extravaganza taking place this coming weekend at Randall's Island, head to NYC nightlife staple Pacha for the  festival's official after parties.  September 4th, guests will include Sharam, Robbie Rivera, Dresden & Johnston, Italoboyz, Heartthrob (live), Taimur & Fahad and more.  The tickets will cost you $35 in advance while supplies last, but thrifty partiers can get in at $25 if purchased at the same time as your festival ticket. And guess what folks you can do it all over again September 5th and rock out with DJ Guy Gerber and see surprise guest from the festival’s main stage. Opening set by Alex Kofman & Simon Heyliger. $25 in advance while supplies last.  Parties are from 11pm to 5am!