Yes, they did it. I don't believe it.
They kept us outside until after 9:30 PM - and at 10:00PM, they announced that the technical difficulties they had encountered "could not be overcome" and they were rescheduling for tomorrow at 8:00 AM.
We left, albeit with the tech staff still onstage in a huddle.
I don't know what they are going to do. I'm going to bed.