Musical guest Dan Reynolds of Imagine Dragons perform 'Radioactive' on July 26, 2013 --
{"Image ImageDescription": "LATE NIGHT WITH JIMMY FALLON -- Episode 872 -- Pictured: Musical guest Dan Reynolds of Imagine Dragons perform \"Radioactive\" on July 26, 2013 -- (Photo by: Lloyd Bishop/NBCU Photo Bank/NBCUniversal via Getty Images via Getty Images)", "Image Copyright": "2013 NBCUniversal Media, LLC"}