I have refined your list:
Xanadu
Grey Gardens
110 in the Shade (Closing Performance)
Beauty and the Beast (Closing Performance)
Gypsy
RENT (Adam/ Anthony Opening Night)
Mary Poppins
Phantom of the Opera
The Color Purple
Les Miserables
Spring Awakening
Gypsy
The Drowsy Chaperone
Gypsy
Gypsy
"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