New York Philharmonic Young People's Concert Program: What Makes An Orchestra - Unusual Uses of Usual Instruments According to the New York Times review of this performance, 13-year-old Venezuelan pianist Judith Jaimes, who was originally scheduled to perform on this concert, was unable to appear due to illness. She was replaced by 12-year-old Leah Mellman. "Pianist, 12, Plays At Youth Concert." New York Times (1923-Current file): 96. Feb 15 1953. ProQuest. Web. 20 Aug. 2014. symphony orchestra performance children's concert 1953-02-14T11:00:00