The American Theatre Wing already hosts a talk show similar to this, sans the performance part. There's audio interviews and video discussions posted for FREE on their website and downloadable for FREE from iTunes.
"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