By George Bond Texas has long produced sibling acts whose shared DNA translates into shared musical firepower — from Stevie Ray and Jimmie Vaughan to Edgar and Johnny Winter, and later Dimebag Darrell and Vinnie Paul. In North Texas, a new pair of sisters is beginning to draw similar attention — through discipline, range, and a growing presence across the Dallas-Fort Worth club circuit. Grace and Emilia Figueroa, 20 and 16, have quietly built momentum over the past year.