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Watch Billie Joe Armstrong Perform “Ordinary World” on Conan

A makeup-less, mellow Billie Joe Armstrong appeared with just an acoustic guitar on last night’s Conan, performing “Ordinary World,” the closing track from Green Day’s Revolution Radio and one of the original songs Armstrong wrote for this year’s aging-punk-rocker flick of the same name. (Armstrong also starred in the film.) Watch the intimate performance below.