Classical Music For Children

What is a good classical music song for steady beat movement exploration for Preschool/Kindergarten?  

I have been using an old favorite in a new way. Dave Pilky's book, 'Twas the night Before Thnaksgiving is one of my favorite books to read to student in the Fall.  This year I have added some "skill songs" to it.  The story begins with the students on a...