It's cool, but I had a hard time fitting the song in that little senario of yours... I don't dislike it (it's pretty good!), I just wouldn't have used it in that context :P
I like the sound and the semi-randomness. Sounds good!
PS: As a storyline, I would have put something along the lines of
"A friend shows up to your house, but there's something off... The song is the train of thought descending into madness."
Or whatever. I can't write stories or compose songs, so I can't judge you :P Keep it up!