"The credits for this production have not yet been completed or verified."
Also - perhaps they were going to jump in to take the Hirschfeld since CHARITY cancelled, but couldn't because CHARITY decided to go ahead?
"The Spectacle has, indeed, an emotional attraction of its own, but, of all the parts, it is the least artistic, and connected least with the art of poetry. For the power of Tragedy, we may be sure, is felt even apart from representation and actors. Besides, the production of spectacular effects depends more on the art of the stage machinist than on that of the poet."
--Aristotle