To close out the Made in America music festival, Jay-Z and Pearl Jam perform 99 Problems in front of 50,000 fans in Philadelphia. The festival featured a stellar line-up of hip-hop and dance artists such as Calvin Harris, Skrillex, Common, Big Sean and Kanye West. For those who weren’t in Philly-town, the festival, which was filmed by Ron Howard and Brian Grazer, will be released in 2013. For now, check out the video of Jay-Z and Pearl Jam performing 99 Problems.