In The Horses and the Hounds, the acclaimed songwriter backs personal narratives with effortless elegance (“Canola Fields”) and endless energy (“If It Don’t Bleed”). This first collection in seven years, due August 20 on New West Records, spotlights a seasoned tunesmith in peak form as he turns toward reflection (“Vaquero”) and revelation ( closer “Blackberry Winter”). Familiar foundations guide the journey. “There’s a definite Los Angeles vibe to this record,” McMurtry says. “The ghost of Warren Zevon seems to be stomping around among the guitar tracks. Don’t know how he got in there. He never signed on for work for hire.