The video concluded with the baby sitting on his mom's lap, giving Gary a chance to get a better look. The Bulldog gently ...

The baby seen here is fussing and upset while riding in her car seat. But the moment Katy Perry's "Dark Horse" begins to play on the stereo, all of the baby's troubles are blown to the wind.

A note overlaid on the video explains: "There's a baby on my flight that's been crying non-stop for like two hours. She sounds so uncomfortable, and her parents are working so hard to calm her down.