Foo Fighters singer is a frontman possessed in new film.

“I said that’s a f—ing terrible idea.

Why would we ever do something so ridiculous?”

Dave Grohl

Dave Grohl.Lester Cohen/Getty Images

So what changed Grohl’s mind?

“We had moved into this house to recordMedicine at Midnight,” he says.

It’ll come out with the record, and it’ll be fun.

STUDIO 666

(L to R) Nate Mendel, Taylor Hawkins, Chris Shiflett, Dave Grohl, Pat Smear, and Rami Jaffee.Courtesy of Open Road Films

Well, it then snowballed into a full-length feature film.

Like, that’snotsomething we ever expected to do."

“Enter: Creepy old house, which they have no idea is haunted.

STUDIO 666

Dave Grohl.Courtesy of Andrew Stuart / Open Road Films

Chainsaw Rami in half.

He’s having sex with Whitney Cummings, and just f—ing splay him.'

Or, ‘You know what you should do?

Decapitate Taylor with a cymbal, just throw it right into this mouth.’

So, that was really fun.”

Grohl had more fun playing the villain of the piece.

It was really cool."

Watch the trailer forStudio 666below.