Answer:
You find me behind the stars; or in a sixth seventh or third. It takes something round a computer and me to make pie. I am bigger than anything you can think of.
I am a rock group with four members all of whom died in plane crashes. Who am I?
I start with T end with T and within me is T.
As a stone inside a tree, I’ll help your words outlive thee. But if you push me as I stand, the more I move the less I am.
I always run but never walk often murmur but never talk have a bed but never sleep has a mouth but never eat.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.