The song is called "Decorate the Rooms with Yard Waste" http://fiftyninety.fawmers.org/song/33385
I am unable to post any demos right now, so I put this one up as lyrics-only. Since we're all overly familiar with the tune, even if I was able to record it a cappella (which is likely all I'd be able to do even without technical difficulties), it wouldn't be much different than the person who's reading the lyrics singing it in their head. Then I got to thinking, wouldn't it be great if I could get a full demo with instruments and stuff? Where could I possibly find a musician who would be willing to record that for me?