Grim Reaper, ‘Final Scream’ — Best Backwards Messages In Music History

One of the leading lights of the New Wave of British Heavy Metal (NWOBHM for short), Grim Reaper was known for the high-pitched vocals of Steve Grimmett and pummeling riffs. On their second album “Fear No Evil,” the track “Final Scream” features a reversed demonic voice growling “See you in Hell!” Perhaps the best thing to ever backmask, in our opinion.