Theatre is not only a collaborative venture but, at this level, a business, pure and simple. Yeah, it starts with the authors, but from there, it's expanded by the producer and the director and the cast and the designers and the choreographer and the orchestrator and the prop maker. Sometimes these people make choices for the author that vastly improve his work (Think about what FOLLIES would have been had it remained THE GIRLS UPSTAIRS). If an author wishes to play God and deny a certain production because he doesnt like the way his baby is being treated, then, honestly, he's in the wrong line of work and should become a novelist.
Bear in mind too that the author usually *does* see his vision realized with the first Broadway production. How many people get to say that? And once he's gotten it his way, it's time to let it go and let others find their interpretation of it.
Heck, consider ANNIE, if you want. It's based on a comic strip that was drawn by a hardline, pro-business conservative who had little empathy for those who lost everything during the Depression. He probably would have looked at the musical and found it insulting because it violated the spirit of his work by trivializing it. Should we be honouring that as well?
Art is always going to be about change. If we dont allow latitude for interpretation, then we might as well forget about ever seeing shows like TAKE ME ALONG or A LITTLE NIGHT MUSIC or even OKLAHOMA, all of which were based on previous works and all of which veer radically in spirit from the originals.
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