Radiohead and Nine Inch Nails are set to headline this year’s Lollapalooza, according to the Chicago Tribune. Although the festival’s lineup won’t be announced for several more weeks, “industry sources” state that both bands have been booked for the fourth annual Chicago fest, to be held August 1-3 in the city’s Grant Park. The Lolla gig would add to Radiohead’s 2008 festival resume, having already confirmed headlining slots at New York’s All Points West and San Francisco’s Outside Lands.