Plot: John McGivern explores one of only three "Greenbelt" communities in the United States—Greendale! John Gurda certainly knows tons about this planned community built by the FDR Administration in 1936, but it's John McGivern who explores Greendale today and discovers its fantastic character. John learns why sections of Greendale are so defined, and it doesn't take him long to hear the defining sound of downtown Greendale, where barbershop quartets are alive and well