By Denny Dyroff, Entertainment Editor, The Times Matt Cappy Matt Cappy, one of the top young trumpeters in the jazz scene, is a musician on the move. On December 15, he will travel 1,125 miles south to be a guest performer at the Mississippi Jazz Foundation’s 19th Annual “Night of Musical Artistry” in Jackson, Mississippi. In April, Cappy will travel 3,400 miles overseas to start a U.K. tour...