This weekend the Gowanus Ballroom (55 9th Street, Brooklyn) will celebrate its closing party with two nights of art, live music, and pyrotechnics. "Paint Works" – the name of the party’s series – is going out with a big-ass bang to celebrate an an extraordinary group of artists, led by the notorious Seanna Sharpe (the Williamsburg Bridge aerialist), fire acts, and a selection of rootsy bands including Jason Trachtenburg’s – of Trachtenburg Family Slideshow fame – The Pendulum Swings.