Answer:
They come out at night without being called, and are lost in the day without being stolen. What are they?
A small hill with seven holes.
One might hang a locket from this
You are owed one of these when someone wrongs you
In the middle of night, I surround the gong. In the middle of sight, I end the song
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.