COSI by Louis Nowra. Directed by Simon Corvan and Kathleen Yorston. A terrific play about madness, illusion, sanity… and theatre. What happens when you take a manic depressive, junkie, mute, overeater, doped-up musician, obsessive compulsive and pyromaniac and try to get them to perform a Mozart opera? The answer is Cosi, the popular Australian play