Entertainment Jazztober: 6 p.m. Features The Martinis. Amarillo Chamber of Commerce, 1000 S. Polk St. Free. 806-371-5345. Live music: 6:30 p.m. The Big Texan Steak Ranch Beer Garden, 7701 E. Interstate 40. No cover. 806-372-6000. Yvonne Perea: 6:30 p.m. Fire Slice Pizzeria, 7306 S.W. 34th Ave. No cover. 806-331-2232. Andy Chase Cundiff: 7 p.m.