Clearly Chicago was the place to be. Common presented his new music festival AAAH! and seems like every one is creating a festival now. The festival took place at the Union Park in Chicago. It was a star studded event with Kanye West, Jennifer Hudson, Lupe Fiasco, Lil Herb, Mc Lyte, De La Soul Jay Electronica and Diggy Simmons. Check out the clip below of the performance of Kanye and Common.