There's not a whole lot to do when you live in the country. It was really only a matter of time before somebody came up with this idea, and then only a short amount of time after that for somebody to film it and put it on YouTube.
You may have seen studies that show that when cows are listening to music, they tend to give more milk . As true as it may be, what kind of music do cows prefer? According to this video, they really like American Jazz. Specifically "When The Saints Go Marching In." Watch these cows as they give the band their full attention!