Answer:
You have it even if there is none.
A canvas full of stars.
A section of the calendar dedicated to mother nature.
It can be cracked, It can be made, It can be told, it can be played. What is it?
A red house is made out of red bricks. A blue house is made out of blue bricks. What is a green house made out of?
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.