Answer:
This is in a realm of true and in a realm false, but you experience me as you turn and toss.
A great mysterious place that the bold have been known to journey into.
Pregnant every time you see her, yet she never will give birth.
I cannot be felt, seen or touched. Yet I can be found in everybody. My existence is always in debate. Yet I have my own style of music.
You can spin, wheel and twist. But this thing can turn without moving.
In your fire you hear me scream! Creaking and whining yet I am dead before you lay me in your hearth.