Answer:
This only turns over once you have traveled very far. What is it?
What do you throw out to use and take in when you're done?
It cannot be seen, it weighs nothing, but when put into a barrel, it makes it lighter.
According to the music industry, you can count on a midnight train and the devil to turn up here.
I have four legs but no tail. Usually I am heard only at night.
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.