The most melodic of notes, the most soothing of tunes.
"It would help if I knew how to play the thing, though."
"Isn't it just a skillet?"
"That's what I thought... Now I'm not so sure."
A cave with weapons sunken into the walls, blades sticking out of the floor and ceiling, and so on. Possibly, any weapon used in it could be torn out of the hand and sink into the stone.