Thank you for comment.
Canon concept sounds really interesting!
Guess the limitation of process of editing and deforming wave sample made some pretty weird disharmony, but you can download source file - "Unforgotten Trek.it" is impulse tracker format, with all samples/intruments, and you should have been able to edit it in all modern music tracker editor program - I used OpenMPT, but others will be fine too (Milky Tracker works).
Also, I wrote in description, that you are allowed to edit music file, in fact, I encourage it!
And for legal notes, I added licence, which is now CC-By-SA (you can modify, share, even use commercionally, if you keep original authors name and keep this licence ^_^)