You did that on purpose

This next post ought to be a big one.

This is a pretty good bang. One of the louder examples.

Sometimes there's no banging for several days and then sometimes there's banging every half hour.

For absolutely no extra charge we will provide a loud annoying banging sound in your apartment! How does that sound? Like this !

 if this building explodes you'll have these videos to help figure out what happened. https://youtu.be/ne0ryxqGN9M

  There has been no bang all last night or this morning! This is fantastic. Metrex has done it again!