This trailer was temporary office space while renovations were being made inside the Fort 3 years ago. This month (May 2012) the Fort had trailers out front again but this time it was an independent film crew working on a movie about an outlaw hobo called "You Can't Win."
Macintosh has a program called garage Band. It comes with preset copyright free sounds that allow you to create a song. This is just one clip that was created and repeated to create the song. As far as we know it is not a specific song.