In this world, there is a cult following for Richard III. In Our Narrator's neighborhood, there is a playhouse that does this one night a week. Cast members are selected from the audience, they play it, and the audience inserts assorted witticisms a la Rocky Horror.
When "Now is the winter of our discontent" rang out over the crowd, and they put on sunglasses shortly thereafter, I was immediately minded of Miles, doing the whole thing himself on fast-penta. No sooner had that thought departed the busy brain than "Hmm, I wonder if Miles would do that on stage!" popped in.