HAHA...you guys crack me up. Thanks for the compliments.
The nice thing about all the concrete? It's like living in a bomb shelter. And, the building is only about 40% full, so I have no neighbors to my side or below me. 
I'm going into the empty places this afternoon, though, to test the sound and see what I can get away with. Don't really want to get the cops called if I can help it when someone actually DOES move in.