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Pitchfork Music Festival 2013 pictures: R. Kelly, Bj?rk, Belle & Sebastian to headline this year's festival

<div class="meta "><span class="caption-text ">Jay-Z, right and R. Kelly perform during a concert at Nasssau Coliseum in Uniondale, N.Y., Thursday, Oct. 28, 2004. &#40;AP Photo&#47;Ed Betz&#41; (AP Photo&#47; ED BETZ)</span></div>
February 1, 2013 8:53:25 AM PST