Answer:
White bird, featherless, flying out of paradise. Flying over sea and land. Dying in my hand.
Always wax, yet always wane: I melt, succumbed to the flame. Lighting darkness, with fate unblest, I soon devolve to shapeless mess.
Three lives have I. Gentle enough to soothe the skin. Light enough to caress the sky. Hard enough to crack rocks.
An iron horse with a flaxen tail. The faster the horse runs, the shorter his tail becomes.
Walk on the living, they don't even mumble. Walk on the dead, they mutter and grumble.
What do angels sing in the shower?