Singer attacked in Houston, A Grammy-winning Tejano singer is recovering from an attack at a Houston bar. Witnesses say a fan is responsible for the beating. La Mafia is one of the pioneers of Tejano music. They've been around for three decades and are arguably the most recognizable Tejano band. It's that notoriety that led to a severe beating of the band's lead singer. Oscar De La Rosa is the front man of the four-time Grammy Award-winning group La Mafia, but his bandmate says his celebrity status turned on him. "This person was in the club and had wanted a photo with Oscar. And sometimes when he goes out for entertainment he doesn't like taking pictures," Armando Lichtenberger Jr. De La Rosa and his driver were leaving the night club Blur Bar in Montrose around 1:30 a.m. Monday. Minutes earlier, the fan that requested the picture was thrown out for a separate incident and saw the Tejano singer leaving. He rushed both before they realized it. "He su