Green Day singer kicked off his performances as Big Jimmy in the Broadway musical . The ` ` ' Idiot '' musical is based off the album , which won a Grammy for Best Rock Album . ` ` He actually sang . There was choreography , and I believed his character . '' There was choreography , and I believed his character , '' fan says .
Green Day singer kicked off his performances as Big Jimmy in the Broadway musical . The ` ` ' Idiot '' musical is based off the album , which won a Grammy for Best Rock Album . ` ` He actually sang . There was choreography , and I believed his character , '' fan says .