January 31, 2014 Milton, Vermont and Calgary, Alberta, Canada - Three years ago in January 2011, I produced my first Earthfiles news reports about mysterious, unexplained booms occasionally being reported in various parts of North America. Then a year later on January 18-19, 2012 , in addition to persistent, mysterious booms came reports of mysterious horn or trumpet sounds. I did my first interviews with American earwitnesses of highly strange trumpet sounds in Gallatin, Tennessee. The first was a retired real estate agent northeast of Nashville, who described for me the eerie chorus of trumpets that suddenly filled the air...