An interesting point in this video is the teamwork that was described at the beginning with the carpooling. The boy's mother in the video was driving the children to school because it was her turn to drive. So, the families in the carpool work together to drive their children to school.
I didn't learn about the King's Singers until I was in junior high school, but have loved them ever since. This song isn't a Christmas song, but so very beautiful. I think my favorite is when they sing 'The Flight of the Bumblebee'