A wild band of brothers from different mothers, Ciudad Juárez-based Viva Las Vegas (guitarist Juan-Pedro Vegas, drummer Ricardo Vegas and upright bassist Danny Vegas) is dedicated to bringing "ruckus to the world." Specializing in a signature blend of Western swing, the trio returns to the Mix's stage after a three-year hiatus in support of the forthcoming LP La Maldición de Gitano. Free, 9pm Thu, The Mix, 2423 N. St. Mary's St., (210) 735- 1313,themix-sa.com.