One of the best-known names in tejano music, A.B. Quintanilla became famous as a member of Selena y Los Dinos, a band started by his father in the late 1950s but which didn’t find success until the 1980s. When his sister and lead singer Selena went solo in the late 1980s, Quintanilla became her producer and songwriter, working on albums such as 1992’s Entre a mi Mundo — which remains one of the biggest-selling albums ever released by a female tej...