Why would he have to know all the words? Google would answer that question.Right! So he missed a flight and decided to film a video. He just happened to know all the words to the song and was able to position himself at the right place to go with the words. AND he was able to put his iPhone on the escalator at the right place?
Do me a favour!?
But I did like it and I thought it was well done.
I do recall being in some airports that looked a bit like that in the wee small hours.
I'm just a cynic at heart.