Christina Aguilera/Destiny’s Child/Before Dark
The kickoff date for Christina Aguilera’s first headlining stadium tour drew a diverse crowd to Sandstone Amphitheatre, with shrieking grade-school students; parents serving as patient chaperones; other adults who secretly enjoy Aguilera’s easy-listening ballads; just-imitating Slim Shadys who came to holler, “God, she’s hot,” at the object of their idol’s derision; and teens, about a quarter of whom were…
