Auditorium lights go down, stage lights go up, the musicians walk on stage, take their seats, the composer walks out, takes a bow and steps up on the platform. And so began the first band concert on Oct. 24. Xochitl Delvale-Vera (12) gave it her all during her final first concert of her musical career. “I’m kind of sad about it knowing that I probably won’t pick up my instrument when I’m in college, but I try to make the most of it,” Delvale-Vera said.