Soundproof Home

https://www.evernote.com/shard/s449/sh/4059d516-dbea-438e-b070-a1615d1d25e2/5dbc32d298c4f36f7b167e975aa415e7

You have a rock band, and no place to exercise. Well, you might exercise in your cellar, garage, or bed room but you stay in a condominium, or a detached home with next-door neighbors crowding you on both sides.