Wednesday, September 18 at 7 pm - In partnership with the Princeton Public Library, Princeton Symphony Orchestra (PSO) presents “The Piano We Know and the Mysteries of Mozart’s ‘Pianos’” with author and journalist James Barron. Mr. Barron takes us into the construction and engineering of today’s pianos and compares them to the early versions of the instrument available in Mozart’s day. Q&A immediately following. Princeton Public Library 2nd Floor Newsroom, 65 Witherspoon St., Princeton, NJ. Free and open to the public. (609) 497-0020; princetonsymphony.org.