The Other John Stewart
We are not Kingston Trio fans, to put it kindly.
To add to an already very bad situation, the entire joint was filled with reverent Boomers and Eldsters who made not so much as a peep ("They weren't even CHEWING!") while Mr. Stewart played, causing S.O.P.B and her hapless friends a terrific case of church giggles.
As they escaped after the first set, tiptoeing out like the Von Trapp family past the Nazis, they could hear two similarly-confused twenty-something guys just getting into the theatre late and saying "What the HELL...?"