The Horse and The Rider

Gamlin: Every Villager able to wield a Sword have been sent to the armory.
Gamlin: ...My Lord?
Theoden: Who Am I, Gamlin?
Gamlin: You are our King, sire.
Theoden: And you trust your King?
Gamlin; Your Man, my lord, Will follow you to whatever end.
Theoden: ...To whatever end...
T:Where is 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 come down in the west, behind the hills, into shadow.
Who shall gather the smoke of the dead woodburning,
Or behold the flowing years from the Seareturning?
How did we come To this...