Projections, live music, sounds, props, costumes, scene changes, casting, performances… everything spot-on and professional.
A moving, deeply relevant story, with lots of flawed characters whose story arcs were rich and engaging. The mystery was well-executed, with subtle details (parallels, echoes, clever misdirection) that amplified the plot twists.
Very powerful. I leapt to my feet applauding as soon as it ended.