Clearly intended to be viewed through a haze of marijuana smoke, it'd be against the law for us to recommend this film.

The Pick of Destiny ain't going to win any awards, and the girls don't get much of a look-in, but it will strike a few power chords with a certain generation that is too old to disco and too young to die.

For fans, a crowd-surf over Tenacious D's best bits. For the unbaptised, a novelty movie of a novelty band, big on spirit but in search of a script.

While Black and Gass’ comedic chemistry carries the increasingly absurd humor to new heights, comedy legends round out the supporting cast cameos and bit parts.