The Nashville Songwriters Hall of Fame announced its Class of 2019 on Aug. 7: Larry Gatlin, Dwight Yoakam, Marcus Hummon, Kostas, Rivers Rutherford and Sharon Vaughn. Class of 2019 (with partial songwriting credits) Songwriters Marcus Hummon: “Cowboy Take Me Away” (The Dixie Chicks), “Born To Fly” (Sara Evans) and “Bless The Broken Road” (Rascal Flatts)…