Judas Priest has been named to step in for Ozzy Osbourne at the Power Trip Festival in Indio, California, scheduled for October 6-8th. Priest posted "We are ready to raise double horns way up high together keeping the metal faith." Ozzy announced on Monday (7-10) that his body just wasn't ready to perform yet. The lineup includes AC/DC, Guns N' Roses, Iron Maiden, Metallica, and Tool. TL;DR: Judas Priest will step in for Ozzy Osbourne at the Power Trip Festival. The lineup includes AC/DC, Guns N' Roses, Iron Maiden, Metallica, and Tool.