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US singer Anthony Kiedis of rock band "Red Hot Chili Peppers" performs during a concert at the "Red Stage" under the "Nova Rock 2016" Festival on June 12, 2016 in Nickelsdorf. / AFP / APA / HERBERT P. OCZERET / Austria OUT (Photo credit should read HERBERT P. OCZERET/AFP/Getty Images)

US singer Anthony Kiedis of rock band "Red Hot Chili Peppers" performs during a concert at the "Red Stage" under the "Nova Rock 2016" Festival on June 12, 2016 in Nickelsdorf. / AFP / APA / HERBERT P. OCZERET / Austria OUT        (Photo credit should read HERBERT P. OCZERET/AFP/Getty Images)