You would arrive at the next floor, the elevator doors opening as you go out to fix the next 4 machines, you hear this... strange lullaby from afar, it was eerie, the place was quite dark, and you didn't have a flashlight, you hear footsteps.. Large footsteps... The strange lullaby seemed to have gotten louder, you hide as something walks by.. ''Where are you hiding?... Stop hiding..!'' He'd say, slightly irritated that he didn't know where you were, he kept searching