Answer:
One by one we fall from heaven down into the depths of past, And our world is ever upturned so that yet some time weβll last.
What stays on the ground but never gets dirty?
What can be heard and caught but never seen?
You heard me before, yet you hear me again, then I die. Until you call me again.
Jack and Jill when up the hill jack fell down
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?