Comedy rock duo Tenacious D are turning their hand to festival planning after an announcement that they are currently planning to hold a giant gig celebrating the genre with acts including Tim Minchin, Zach Galifianakis and Flight of the Conchords.

If ever there's been an opportunity to dust off your giant pink dinosaur costume or Wonderboy style robe, we'd imagine this is it.

Tenacious D's Jack Black and Kyle Gass plan comedy rock festival Supreme with Tim Minchin, Flight of the Conchords, zach Galifianakis

Jack Black and his musical husband Kyle Gass have apparently been secretly planning Festival Supreme for a while and have now revealed that it''ll all be happening on October 19.

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Although the duo are yet to pin down a venue, they let a few details slip after Rolling Stone asked them if they every feel the need for a Blur and Oasis style rivalry with hilarious Kiwi double act  Flight of the Conchords.

"We actually have been talking about joining forces, because we've always wanted to do a double bill. We're working on a festival, called Festival Supreme," Jack said.

"It'll be a meeting of the minds. It's gonna be like Mount Rockmore, where you've got your Flight of the Conchords, your Lonely Island, your Tenacious D, your Zach Galifianakis, your Spinal Tap, your Eric Idle."

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It might be one for the US fans though and despite the fact that they've not yet decided where to host the festival, Jack and Kyle are apparently already in talks to to hold it on the Santa Monica Pier over in the US.

What do you make of the line up then? Would you like to see a similar festival over here?

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What do you think?