Black Sabbath's 'Paranoid' is a classic staple in heavy music, and while it's basically perfect as it is, what would the internet be without some breaking of sacred ground?
YouTuber Pete Cottrell is the man to take that plunge, turning the original masterpiece into the style of 20 other artists for some interesting results.
Bands he's decided to emulate include Type O Negative (who have done their own cover), Pendulum, Killswitch Engage, Whitechapel, Emperor and heaps of others.
Have a watch:
Which style is your favourite? While we love Pete's work, it's always going to be hard to beat Black Sabbath's original!
Here are some more twists on some iconic tunes: