** ADVANCE FOR Sunday, July 30 - FILE ** Lollapalooza concertgoers, from left, Holly Hitchcock, Jason McCarthy, Dianna Bessette and Cara Lucas, pose at a Lollapalooza concert in Pownal, Vt., in this July 9, 1996, file photo. Its been 15 years since the first version of the festival toured 21 cities, with a hiatus from 1997 until 2003. The festival is now back after a successful one-destination-only weekend version last year in Chicago. The 2006 three-day affair, from Aug. 4 to 6, will feature 130 musical acts on nine stages once again in Chicago. (AP Photo/Toby Talbot)