Very neat! I guess you can say that that freight train sounded like a tornado...
http://www.youtube.com/watch?v=Zc4WPbmtK-o
http://www.youtube.com/watch?v=j98aZkI0TfE
http://www.youtube.com/watch?v=Zc4WPbmtK-o
http://www.youtube.com/watch?v=j98aZkI0TfE