Very much so. This is why, wherever I move in, I try to put shelvesn on the walls, hang something non-flat off them, put closets and drawer units so that they f

Very much so. This is why, wherever I move in, I try to put shelvesn on the walls, hang something non-flat off them, put closets and drawer units so that they form a jagged line. Not only are these things functional, they do away with the terrible reverberations that every sound produces otherwise.