On a Saturday in October 2013, nearly 200 musicians, pros and amateurs, came together to play 147 dilapidated pianos stored in a dusty warehouse on Chicago's west side. 147 Pianos documents this event, while telling the story of Ed Lisauskas and Sylvester Czajkowski who have worked together for decades, fixing and tuning pianos - struggling to maintain a business that may no longer have a place in the contemporary world.