Answer:
Light me up in backyard gatherings
Angels and pilots work with me.
The more holes you cover the lower I go.
I have keys but no locks. I have space but no room. You can enter but can't go outside. What am I?
From house to house I go, sometimes narrow, sometimes wide. Whether there's rain or snow, I always stay outside. What am I?
A little house full of meat, no door to go in and eat.