Watch Mariah Carey super-fans freak out at surprise performance

There were tears. Hugs. Jumping.

Jimmy Fallon does the very best viral videos on his show. Seriously, these things are built for YouTube.

In this masterpiece from yesterday, he invited the biggest fans of superstar Mariah Carey to come to an exclusive listening of her new song, Letting Go. They travelled to a studio just to hear it before everyone else.