The 'Late Late Show' host opened Tuesday night's show with a musical segment, playing a song parody on McCartney's "Maybe I'm Amazed" -- with James sitting at a piano and belting out tweaked lyrics to the '70s hit. JC aptly titled his rendition ... "Maybe I'm Immune."
BTW, James kills it on both the keys and in the vocals department -- dude is seriously talented ... he seems to be playing live and is definitely singing his heart out. Sir Paul, or his publishing company, would approve!
Corden wrapped up the tune with a look into the not-so-distant future ... as in, Nov. 3. Just watch ... we're thinking POTUS would NOT approve.