Answer:
In marble halls as white as milk, lined with a skin as soft as silk. Within a fountain crystal-clear. A golden apple doth appear. No doors there are to this stronghold, yet thieves break in and steal the gold.
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard.
Fuels backyard get-togethers
I have four legs but no tail. Usually I am heard only at night.
What has thirteen hearts But no body or soul?
I start with T end with T and within me is T.