This is a test of the Emergency Broadcast System. This is only a test. You can ignore the video portion of as it is on an Emergency Broadcast System slide. Note this video does NOT have the attention signal so you should not scare anybody with it. http://www.youtube.com/watch?v=L8HI3Y-fDRg Also note tests conducted in this manner were outlawed in the 70's.
That was cute. There's another version out there that was recorded by TM productions (I think) that was done in the style of post-WWII big band swing. I can't find it at the moment but it's funny.