Lydia Mendoza, born May 21, 1916, died peacefully last night in San Antonio, Texas at the age of 91. If you don't know who she was, ask your grandmother, who likely remembers her and her twelve-string guitar at the Plaza del Zacate in San Antonio, Texas, with the chili queens in the early 1930s. She sang, literally, for pennies, as part if a struggling musical family following the migrant route to Michigan and back, until she was signed to the Blue Bird label in 1934. One of her songs, Mal Hombre , was an overnight success, when she was just 17 years old. She emerged as one of the few tejanas to gain national prominence in a time when few women were encouraged to pursue a musical career. Throughout her life, until she suffered a stroke in 1988, she was beloved for singing the songs of the poor, working-class mexicanos she came from, as La cancionera de los pobres and La alondra de la frontera. In 1982, Lydia Mendoza became the first Texan to receive a National Endowment for...