Hi! Me and the band are currently about to relocate our studio to a new house with great opportunities. The new place will have a recording/rehearsalroom, a lounge and a control/mixing room and we're gonna start renovating it in july. The wall between the recordingroom and the mixroom is currently non-existant though, it was torn down a couple of years ago and now we aim to rebuild it. How thick should such a wall be? I guess the greater the thickness the bigger the insulation, and right now we're thinking about doing two layers of drywall with some mineralwool inbetween -> framing with rockwool -> two layers of drywall with mineralwool in between. The main question is how wide the framing should be? How would you have done it? Our budget is of course not unlimited but we'd still like the room to be as insulated as possible.