Where does, Rasa, the essence of the intensified emotion in a performance, lie?

Continuing a Face 2 Face tradition, Professor guptaRavi M. Gupta (Religious Studies), a previous participant, introduced the ancient Sanskrit term, Rasa (the intense emotion achieved during a powerful performance), and asked Bhasin and Wiley where they think Rasa can be found – in the author or composer, in the story or plot, or in the audience.