The first act of Robert (Bootycandy) O'Hara's Barbecue consists of four scenes, two each in alternation, depicting a lower-class white family and a lower-class black family on what looks like a picnic in a shady Middle America forest preserve.
It's surprising how many actors appearing as William Shakespeare's Hamlet don't take heed of the young Dane's advice to the players about speaking trippingly on the tongue and not sawing the air. They utter the sage admonition but then go about ignoring it.
Whenever performers -- such as Mary Bridget Davies in A Night With Janis Joplin, at the Lyceum -- impersonate iconic figures, they're going to be compared to the original, whether they like it or not. They certainly can't be surprised when they are.