CNN finally showed a 5-second clip of the March and says they will bring us more footage.
C-SPAN will cover the Rally beginning at 2pm, so that is where you will be able to see the speakers as well as the performance from HAIR.
"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