[Solved] Live Events — Opera

What are some of the conventions of audience behavior in theatre in the US today?  What are the conventions at other types of live events—opera, sports games, rock concerts?

What responsibilities, if any, do theatre artists have to their audience members?

Would you consider the design for The Lion King videos realistis or abstract, and why? What do you notice about the design choices for the respective Romeo and Juliet productions? What do those design choices make you feel?