I don't have the bandwidth to check your song out, but Lucky Star Theme -redalice mix, even if it isn't as grating, I did listen to this for 7 1/2 hours, and I think for a short while I went clinically insane.
its 50kB... http://www.megaupload.com/?d=IQO74J1C extract everything in the rar file and then drag the .sid file onto the .exe. you'll regret it fairly quickly.