U.S. singer Rob Thomas of the band Matchbox Twenty performs during the Rock in Rio Music Festival in Rio de Janeiro September 20, 2013. REUTERS/Pilar Olivares (BRAZIL - Tags: ENTERTAINMENT) FOR ... more 
U.S. singer Rob Thomas of the band Matchbox Twenty performs during the Rock in Rio Music Festival in Rio de Janeiro September 20, 2013. REUTERS/Pilar Olivares (BRAZIL - Tags: ENTERTAINMENT) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS less 
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Reuters | Photo By PILAR OLIVARES / REUTERS
Fri, Sep 20, 2013 8:19 PM EDT