What is the name of the song that is played at the beginning of the Choricles of nanria lion witch and the wardrobe. When they are on the train to the countryside? Any suggestions?

Here you go.

http://en.wikipedia.org/wiki/The_Chronicles_of_Narnia:_The_Lion,_the_Witch_and_ the_Wardrobe_(soundtrack)

Did you try to wikipedia the movie usually you can find the answers there.