Answer:
You heard me before, yet you hear me again, then I die. Until you call me again.
What goes in the water red, and comes out black?
It comes only before, it comes only after. Rises only in darkness, but rises only in light. It is always the same, but is yet always different.
What surrounds the world, yet dwells within a thimble?
In we go, out we go. All around and in a row. Always, always steady flow. When we'll stop, you'll never known. In we go, out we go.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.