When she realized Wanda had no idea what she was talking about, Faith just shrugged and offered her a smile. "Nothing, nevermind. Just something I heard a while back. And you're right, I think it was coming from the speakers." She was more than willing to let Wanda believe it was something playing a prank. Faith didn't believe that, but...well, whatever would comfort others. She just resolved to keep a close eye out for other strange happenings.