Tony Hancock sings the chorus of this song, exactly as Jim Dixon has it above, in the November 25, 1956, episode of Hancock's Half Hour. It's a radio episode called Anna & the King of Siam, timed to coincide with the UK Release of The King & I. Hancock's playing the Yul Brynner part, hence the reference to his old bald 'ead.

That's of no relevance to your query at all, I know, but surely it's worth a few trivia points?