Answer:
It comes only before, it comes only after. Rises only in darkness, but rises only in light. It is always the same, but is yet always different.
When set loose I fly away. Never so cursed as when I go astray.
My voice is tender, my waist is slender and I'm often invited to play. Yet wherever I go, I must take my bow or else I have nothing to say.
Though easy to spot, when allowed to plume, It is hard to see, when held in a room.
What has 13 hearts but none beat?
What did the piece of wood say when he saw the screwdriver and screws approaching?