Benefit Concert for the Friends of the New York Philharmonic Entered from New York Times concert listing and review. Pianist Isidore Philipp was 91 years old at the time of this performance. "Concert And Opera Programs For The Week." New York Times (1923-Current file): 1. Mar 20 1955. ProQuest. Web. 20 Feb. 2015. "Philipp, at 91, Plays in Franck Sonata." New York Times (1923-Current file): 21. Mar 21 1955. ProQuest. Web. 20 Feb. 2015. benefit performance chamber music performance 1955-03-20T17:30:00