At least that's what many stranded passengers in Newark's Terminal C did on Sunday after the airport was sealed shut due to a security breach.
Musician Josh Wilson lead a group of tourists, parents, children, friends, and lovers in an ensemble version of the Beatles' "Hey Jude." From the looks on most people's faces, it was a brief moment of happiness in what turned out to be a nightmarish end to the holidays.
WATCH (and sing along!):