Don't worry. The documentary about the legendary Sound City Studios, in Van Nuys, Calif., that's being produced and directed by Dave Grohl is still on the way. In fact, a third teaser trailer about the 'Sound City' flick has just been posted, which you can check out below. And by teaser, we kind of mean that literally, as such things as the release date of the documentary still have not been announced.

In this, the latest of three 'Sound City' trailers so far released, musicians as varied as Tom Petty, Mick Fleetwood and Garbage's Butch Vig rave about the all-analog Neve 8028 sound board housed in Sound City's main studio, which has been used for the recording of bands as varied as Nirvana, Red Hot Chili Peppers, Neil Young and Johnny Cash. "There's just something about the Neve sound that my ear has always been attuned to," says Trent Reznor of Nine Inch Nails fame in the clip.

'Sound City' relays the story of the studio, which was in business from 1969 until 2011, and the many classic works produced there. Grohl's own association goes all the way back to Nirvana's classic 'Nevermind' album, which was recorded there in 1991.

Watch the New 'Sound City' Trailer

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