For two days this summer, Chicago will host Lollapalooza and its impressive line-up. Announced this week to perform are Weezer, the Killers, the Arcade Fire, Death Cab for Cutie, Dashboard Confessional, the Pixies, Dinosaur Jr., Dandy Warhols, Digable Plantets, Billy Idol, the Bravery, Blonde Redhead, up-and-comers Kaiser Chiefs and Louis XIV, and more. The show promises 70 acts on five stages and lower ticket prices.http://www.billboard.com/bb/daily/article_display.jsp?vnu_content_id=1000893385