Investigating a Playhouse Ghost:What is the Sound of One Ghost Clapping?

The story behind a real-life theatre mystery.

This month’s five-act installment of Prime Stage Mystery Theatre picks up where our previous story left off, with mysterious sounds emanating from somewhere in a theatre building.

But before diving into this new mystery, I had the chance to meet with writer and martial arts enthusiast Michael Brendan and his father (also Michael Brendan) to talk about an encounter with the Pittsburgh Playhouse ghost known as John Johns.

Above: An actor portrays the g...