I've always loved weird musical gadgets, going back to Peter Gabriel and the Synclavier- this guy built an instrument designed to creep you out with musical heebie-jeebies.
Would've been awesome to have known about that beforehand. Friday the 13th, after dark, in a cemetery, listening to such soothing sounds... How wonderful it would've been!
I'm THAT guy. You may take your kids out for Halloween, get 'em some candy, dressed up like Batman or a zombie or something. I've still got the LP of creepy music, 33 RPM, and I'd run it loud...
As you approached the front door, I'd see you coming, and greet you with my mask- but I'd stand for a half-second, and then double low-arm the storm door.