Very well done article, very well done. Even though some of it was rehashed content that was revealed/discovered before (DK picture in BK, etc.), it was nice to see everything in one place, with additional tidbits.
And, in the spirit of the BK-DK64 connection atmosphere, I bring you two old sequences of mine...
http://www.pagerealm.com/igmidi/secrets.mid
http://www.pagerealm.com/igmidi/dk64_boss_open.mid
I may re-do the 2nd one, because my source for that was a crap quality recording on a tape recorder. You may have to copy and paste the URLs to hear the songs.