They made it in Philly. But can they make it in L.A.? That's one of many questions surrounding the debut of the Budweiser Made in America music festival, which will take over downtown Los Angeles' Grand Park this Labor Day weekend. The concert, the brainchild of rap mogul Shawn Carter — better known as Jay Z — will be the first paid event at the 2-year-old park that stretches between City Hall and the Music Center.