Well, He sees a person in "The Attic" which is building a strange machine, which is later revealed to be Himself as verse 1+8 hints towards and that verse 5+6 clearly verifies.
So Hes singing about himself in "The Attic"(which by the "'s I can only believe that it is as a metaphor).
The trap he is talking about in verse 7, may it be his trap to capture his "Evil in a Closet"?
I'm no master lyrical genius, but il bet you 2 and a half baot-is that I'm onto something;)
-sot.