The jpg shows the outside of a small 9x7 (appx.) "room-within-a-room" design that I put together several years ago. The studio area is floated and constructed of several layers, including drywall, insulation, plywood, soundboard (Homosote), and cedar. It's located inside a 20x20 garage which is airconditioned via a large-capacity wall unit. The wall unit is partially diverted and feeds both the garage and the studio. The garage itself is concrete block and the garage doors have been covered with insulation, drywall, soundboard, etc. to reduce outside noise. I have also sealed a window in a similar fashion. At the approach to the studio you can see an area where my instruments are kept.