I'll respond to your anecdote with an anecdote of my own. I've been in a wood-framed apartment building for two years, and I never hear my neighbors. There are

I'll respond to your anecdote with an anecdote of my own. I've been in a wood-framed apartment building for two years, and I never hear my neighbors. There are many ways to incorporate sound insulation in construction, and masonry isn't the only way to achieve it.