Ever since word got out that Dave Grohl has been working on a documentary on the legendary ‘Sound City’ studio, there’s been an air of mystery surrounding it. Grohl continues to throw fans bones here and there whether it’s in the form of a hand written note, a fan hotline or most recently a new one minute long trailer for the film. From what’s been revealed so far, the documentary

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New Trailer for Dave Grohl’s ‘Sound City’ Documentary Unveiled