You can't find the source of a rhythmical tapping sound in this office.
soundrhythmmystery
It begins
Empty file cabinets line the wall. A large wooden desk sits amidst the stale air, papers-yellowed with age. You're alone, but not alone enough. Something here shares your space, and it's making noise.
Who and what is in here
The Stopped ClockThe Hidden IntercomThe Cabinet MazeThe Clarinetist's Ghost