A Biwa would string. Echoing throughout the area as she struck the guitar. You're presence was known as you try to take quiet steps as in a form of surprise attack, it's not easy to sneak on an upper demon. Her hand would stop before she struck the guitar again. Obviously knowing of you're "welcome."

"You're not anything in the stealth category. You've made you're presence known because of you're blade. I'll give you a minute to speak."