T Mobile sponsors flash surpise A Cappella singers singing songs to people returning from flights at Terminal 5. They sing songs like The Boys Are Back In Town, Return Of The Mac, At Last, and more. Passengers are thrilled and surprised. There are no instruments, just fantastic A Cappella skills. T Mobile, props for making a decent flash mob commercial that’s not pure crap.

CLICK HERE TO SEE THE NEW T-MOBILE WELCOME BACK IMPROV PIANO GO VIRAL VIDEO!!