"Cam Ye O'er Frae France" in 6/4 : http://www.youtube.com/watch?v=kL0A9bGQaZk

"Rocky Road to Dublin" in 9/8: http://www.youtube.com/watch?v=wtEKUWRpUWg

If you can't see/hear the resemblance in tune (albeit in different timing) something's wrong!