Yeah, not all of the things Radiation posted on his tumblr make it to an album, unfortunately. The Lord English strife theme is another one that is sadly missed. It makes sense that it wasn't completed, since a direct fight isn't really going to solve anything from a story standpoint, but it was still a great song regardless.
Edit: For those that never heard it, this is what I'm talking about:
http://fwugradiation.tumblr.com/post/12287015978
Double edit: Hahahaha, oh my god they have a Ghostbusters MMO song on this.
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I finally believe it. This is not butter. And I know deep down in my heart that I must become butter atheist.