This is the little song Ian McKellen (Gandalf) sings when he rides into Hobbitton.

D
The Road goes ever on and on
C                        D     
Down from the door where it began.
G                 D
Now far ahead the Road has gone,
G                  A
And I must follow, if I can


D
The Road goes ever on and on
C                        D     
Down from the door where it began.
G                 D
Now far ahead the Road has gone,
G                  A
And I must follow, if I can