James Hetfield, right, and Kirk Hammett Stuart of Metallica performs during the Rock in Rio music festival in Rio de Janeiro, Brazil, Monday Sept. 26, 2011. The festival, which runs through Oct. 2, ... more 
James Hetfield, right, and Kirk Hammett Stuart of Metallica performs during the Rock in Rio music festival in Rio de Janeiro, Brazil, Monday Sept. 26, 2011. The festival, which runs through Oct. 2, includes performances by Katy Perry, Rihanna, Stevie Wonder, Red Hot Chili Peppers, Metallica, Guns N' Roses and Coldplay. (AP Photo/Felipe Dana) less 
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Associated Press | Photo By Felipe Dana
Mon, Sep 26, 2011 12:59 AM EDT