Answer:
What goes in the water red, and comes out black?
I have an eye but cannot see, You'll head inside when you see me.
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.
What flies forever, Rests never?
What instrument can make any sound and be heart, but not touched or seen?
I march before armies a thousand salute me. My fall can bring victory but no one would shoot me. The wind is my lover one-legged am I. Name me and see me at home in the sky.