Because I get asked quite a bit, here it is:
(Probably want to right-click, Save As…)
I think I finally got the mastering to a “respectable” level, but no promises! Also, the first thing I noticed upon revisiting this mp3 was that without the game going on, the song is… empty. But hey, whatever, it’s free, so enjoy the heck out of it!
Update: Some wonkiness is afoot; if you can’t get the download working, just navigate to http://ska-studios.com/files/epicopus.mp3 and choose Save As… (unless QuickTime snarkily tries to play it in-browser!)
Update 2: I put it up as a zip too, that might be a better bet.