Most of the time, signs at festivals go ignored. Luckily for one member of the audience at Lollapalooza, Run The Jewels took notice of his sign. Not only did Jacob Powell, as identified on Twitter, get a shout from the rap duo, he got called up on stage to perform. In the clip above you can watch Killer Mike, El-P and Jacob rap "Legend Has It" before a hyped Chicago crowd.
Thumbnail via Emma McIntyre/Getty Images for FYF