KLF, The vs. Extreme Noise Terror ‎– 3 A.M. Eternal (Christmas Top Of The Pops 1991)

This is the famed version that the KLF played live at the Brit awards. Basically its a thrash metal version and the story is is that Bill Drummond wanted to sacrifice a sheeep live on stage and throw the blood on the "upper crust" of British music. E.N.T. ( Extreme Noise Terror) being staunch vegans were completely against the idea so Drummond settled for firing a machine gun into the crowd, with blanks of course. At the end of the set the announcer broadcasted "the KLF have left the music industry" and the following day the KLF, true to their word, quit the music business and deleted theeir back catologue.

Their are 2 versions of this 7", one of which was available through the KLF fan club and was very limited, the other a repress, which I believe this particular issue is.