Is there anything worse than discovering that your flight is delayed and you’re stuck waiting at the airport? Yes, exactly. Finding out you’re delayed after you’ve already boarded so you’re stuck in that cramped seat even longer. 

That’s exactly what happened to US Airways flight attendant Kari Mann on her flight to New Orleans. While chatting with her passengers, she discovered that barbershop quartet Port City Sound was on her flight. She asked them to sing a little, and the four pleased the entire plane with their cover of Under The Boardwalk

In just a few weeks this video has gone viral with over 3.5 million hits!