With his elegant musicality, Wheeldon had the dancers ditch the isolating. While his “Anima Animus” was freighted with a ponderous back story about binary concepts and categories, the dancing made. Style: Teen-friendly pop that doesn’t dumb it down. Backstory: The 18-year-old Tennessean gained a fervent following through YouTube covers complete with soulful gravitas and sophisticated musicality. As each woman’s backstory unfolds, the scope of the story deepens. I found myself…