9. "Mindfields" vs. "Minefields"
In June of 1996, XL Recordings put out limited promo copies of a tune entitled "Minefields," (apparently the vinyl version even includes a full length version of "Skylined," which was found on their 1994 album Music for the Jilted Generation). The track "Minefields" sounds the exact same as "Mindfields" does, and no explanation as to why 10 promo vinyl copies (and 50 cassette copies) of "Minefields" were released an entire year before the album's release.
For shits and giggles, here's someone who owns one of the 10 vinyl versions of this release playing through it on YouTube: