WHAT'S IT ABOUT? Jack Black and bandmate Kyle Glass set out on a quest to find a mythical guitar pick - made from one of Satan's teeth - in order to become rock gods.

ANY GOOD? It's stoner rock comedy at its finest, with fart jokes, trip-out sequences and a fight with the devil - but the real highlights are the music and Meatloaf's cameo as Jack Black's dad.

SO? If you find arse-cheek birthmarks funny, buy this!