I've studied a lot of great people over the years - Pete Seeger, James Brown - and tried to incorporate elements that I've admired, though I can't say I dance like James.
I think the wonderful thing about doing theater is that it's more of an actor's medium. I think that film is more of a director's medium. You can't edit something out on stage. It's there.
Everything is negotiable. Whether or not the negotiation is easy is another thing.