Answer:
A circle of stones, never in rows. Stacked one on the other, mystery it sows. What is it?
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
What has a neck and no head, two arms but no hands?
Walk on the living, they don't even mumble. Walk on the dead, they mutter and grumble.
I have rivers without water. Forests without trees. Mountains without rocks. Towns without houses.
If lightning strikes an orchestra who is the one most likely to get hit?