sorry guys, the user deleted their account seemingly right after I posted this... I was surprised to find this feature though.. It was on an album by Scotlands Most Wanted - Put that iron on his ass from 1996 I believe. I didn't know if it was real at first as it was very random, but the tape cover shows 2pac's name on it as featured. SMW were on an underground label which I had known of due to releases by two artists : EMC and Lil Walt. Assault And Battery Records was the label, who were out of Baton Rouge. Had never knew of this release. An interesting find.
If anyone is interested, here is the cover