Where now the horse and the rider? Where is the horn that was blowing?
Where is the helm and the hauberk, and the bright hair flowing?
Where is the hand on the harpstring, and the red fire glowing?
Where is the spring and the harvest and the tall corn growing?
They have passed like rain on the mountains, like a wind in the meadow,
The days have gone down in the West behind the hills into shadow,
Who shall gather the smoke of the dead wood burning
Or behold the flowing years from the Sea returning?
I think it really captures the essence of Rohan. I imagine the Rohirrim as a people who are very close to the earth, frolicking in the wind blown fields and telling stories by campfire.
I got all excited when I heard the first line of it in the movie, but they cut out most of it... and changed the ending. I'm glad they included at least part of it though.