NEW YORK (AP) — For many, the name Selena Quintanilla-Pérez is the stuff of mythology. The Queen of Tejano broke barriers for women in Latin music genres of all kinds; it’s easy to see the through line between her contributions to the current success of regional Mexicana music. But it’s been 30 years since the singer known simply as Selena was killed at 23 — and those who love her are working hard to ensure her legacy endures for decades to come. One such example: “Selena Y Los Dinos: A Family’